diff --git a/providers/openlineage/tests/system/openlineage/example_openlineage_defer_simple_dag.py b/providers/openlineage/tests/system/openlineage/example_openlineage_defer_simple_dag.py
index 74275ee11d5c0..145fdca650555 100644
--- a/providers/openlineage/tests/system/openlineage/example_openlineage_defer_simple_dag.py
+++ b/providers/openlineage/tests/system/openlineage/example_openlineage_defer_simple_dag.py
@@ -24,14 +24,12 @@
 
 from __future__ import annotations
 
-import warnings
 from datetime import datetime, timedelta
 
 from airflow import DAG
-from airflow.exceptions import AirflowProviderDeprecationWarning
 from airflow.models import Variable
 from airflow.providers.standard.operators.python import PythonOperator
-from airflow.providers.standard.sensors.time_delta import TimeDeltaSensorAsync
+from airflow.providers.standard.sensors.time_delta import TimeDeltaSensor
 
 from system.openlineage.expected_events import get_expected_event_file_path
 from system.openlineage.operator import OpenLineageTestOperator
@@ -54,9 +52,7 @@ def check_events_number_func():
 ) as dag:
     # Timedelta is compared to the DAGRun start timestamp, which can occur long before a worker picks up the
     # task. We need to ensure the sensor gets deferred at least once, so setting 180s.
-    with warnings.catch_warnings():  # TODO Switch to TimeDeltaSensor when deferrable is released
-        warnings.simplefilter("ignore", AirflowProviderDeprecationWarning)
-        wait = TimeDeltaSensorAsync(task_id="wait", delta=timedelta(seconds=180))
+    wait = TimeDeltaSensor(task_id="wait", delta=timedelta(seconds=180), deferrable=True)
 
     check_events_number = PythonOperator(
         task_id="check_events_number", python_callable=check_events_number_func
@@ -65,7 +61,7 @@ def check_events_number_func():
     check_events = OpenLineageTestOperator(
         task_id="check_events",
         file_path=get_expected_event_file_path(DAG_ID),
-        allow_duplicate_events=True,
+        allow_duplicate_events_regex="openlineage_defer_simple_dag.wait.event.start",
     )
 
     wait >> check_events_number >> check_events
diff --git a/providers/openlineage/tests/system/openlineage/example_openlineage_mapped_simple_dag.py b/providers/openlineage/tests/system/openlineage/example_openlineage_mapped_simple_dag.py
index 1e73d4edcf906..a80608edd233b 100644
--- a/providers/openlineage/tests/system/openlineage/example_openlineage_mapped_simple_dag.py
+++ b/providers/openlineage/tests/system/openlineage/example_openlineage_mapped_simple_dag.py
@@ -78,7 +78,9 @@ def sum_it(values):
     )
 
     check_events = OpenLineageTestOperator(
-        task_id="check_events", file_path=get_expected_event_file_path(DAG_ID), allow_duplicate_events=True
+        task_id="check_events",
+        file_path=get_expected_event_file_path(DAG_ID),
+        allow_duplicate_events_regex="openlineage_mapped_simple_dag.add_one.event.(start|complete)",
     )
 
     sum_it(added_values) >> check_events_number >> check_events
diff --git a/providers/openlineage/tests/system/openlineage/example_openlineage_trigger_dag_deferrable.py b/providers/openlineage/tests/system/openlineage/example_openlineage_trigger_dag_deferrable.py
new file mode 100644
index 0000000000000..4a4f8ee934bd8
--- /dev/null
+++ b/providers/openlineage/tests/system/openlineage/example_openlineage_trigger_dag_deferrable.py
@@ -0,0 +1,93 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+"""
+Simple DAG that triggers another simple DAG in deferrable mode.
+
+It checks:
+    - task's trigger_dag_id, trigger_run_id, deferrable attribute
+    - DAGRun START and COMPLETE events, for the triggered DAG
+    - automatic injection of OL parent and root info to DAGRun conf
+    - multiple levels of triggering
+"""
+
+from __future__ import annotations
+
+from datetime import datetime
+
+from airflow import DAG
+from airflow.providers.standard.operators.bash import BashOperator
+from airflow.providers.standard.operators.trigger_dagrun import TriggerDagRunOperator
+
+from system.openlineage.expected_events import get_expected_event_file_path
+from system.openlineage.operator import OpenLineageTestOperator
+
+DAG_ID = "openlineage_trigger_dag_deferrable"
+
+with DAG(
+    dag_id=DAG_ID,
+    start_date=datetime(2021, 1, 1),
+    schedule=None,
+    catchup=False,
+    default_args={"retries": 0},
+) as dag:
+    trigger_dagrun = TriggerDagRunOperator(
+        task_id="trigger_dagrun",
+        trigger_dag_id="openlineage_trigger_dag_deferrable_child__notrigger",
+        wait_for_completion=True,
+        conf={"some_config": "value1"},
+        poke_interval=5,
+        deferrable=True,
+    )
+
+    check_events = OpenLineageTestOperator(
+        task_id="check_events",
+        file_path=get_expected_event_file_path(DAG_ID),
+        allow_duplicate_events_regex="openlineage_trigger_dag_deferrable.trigger_dagrun.event.start",
+    )
+
+    trigger_dagrun >> check_events
+
+
+with DAG(
+    dag_id="openlineage_trigger_dag_deferrable_child__notrigger",
+    start_date=datetime(2021, 1, 1),
+    schedule=None,
+    catchup=False,
+    default_args={"retries": 0},
+) as child_dag:
+    trigger_dagrun2 = TriggerDagRunOperator(
+        task_id="trigger_dagrun2",
+        trigger_dag_id="openlineage_trigger_dag_deferrable_child2__notrigger",
+        wait_for_completion=True,
+        poke_interval=5,
+    )
+
+
+with DAG(
+    dag_id="openlineage_trigger_dag_deferrable_child2__notrigger",
+    start_date=datetime(2021, 1, 1),
+    schedule=None,
+    catchup=False,
+    default_args={"retries": 0},
+) as child_dag2:
+    do_nothing_task = BashOperator(task_id="do_nothing_task", bash_command="sleep 10;")
+
+
+from tests_common.test_utils.system_tests import get_test_run  # noqa: E402
+
+# Needed to run the example DAG with pytest (see: tests/system/README.md#run_via_pytest)
+test_run = get_test_run(dag)
diff --git a/providers/openlineage/tests/system/openlineage/expected_events/openlineage_trigger_dag.json b/providers/openlineage/tests/system/openlineage/expected_events/openlineage_trigger_dag.json
index 3695408b28fbd..a32c8659a815d 100644
--- a/providers/openlineage/tests/system/openlineage/expected_events/openlineage_trigger_dag.json
+++ b/providers/openlineage/tests/system/openlineage/expected_events/openlineage_trigger_dag.json
@@ -43,24 +43,24 @@
                     "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/[\\d-]+\\/OpenLineage.json\\#\\/\\$defs\\/RunFacet\") }}"
                 },
                 "parent": {
-                  "job": {
-                    "namespace": "prod_biz",
-                    "name": "get_files"
-                  },
-                  "run": {
-                    "runId": "3bb703d1-09c1-4a42-8da5-35a0b3216072"
-                  },
-                  "root": {
                     "job": {
-                      "name": "generate_report_sales_e2e",
-                      "namespace": "prod_analytics"
+                        "namespace": "prod_biz",
+                        "name": "get_files"
                     },
                     "run": {
-                      "runId": "9d3b14f7-de91-40b6-aeef-e887e2c7673e"
-                    }
-                  },
-                  "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
-                  "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/facets\\/[\\d-]+\\/ParentRunFacet.json\\#\\/\\$defs\\/ParentRunFacet$\") }}"
+                        "runId": "3bb703d1-09c1-4a42-8da5-35a0b3216072"
+                    },
+                    "root": {
+                        "job": {
+                            "name": "generate_report_sales_e2e",
+                            "namespace": "prod_analytics"
+                        },
+                        "run": {
+                            "runId": "9d3b14f7-de91-40b6-aeef-e887e2c7673e"
+                        }
+                    },
+                    "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
+                    "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/facets\\/[\\d-]+\\/ParentRunFacet.json\\#\\/\\$defs\\/ParentRunFacet$\") }}"
                 },
                 "nominalTime": {
                     "nominalEndTime": "{{ is_datetime(result) }}",
@@ -82,10 +82,10 @@
             "name": "openlineage_trigger_dag_child__notrigger",
             "facets": {
                 "documentation": {
-                  "description": "MD DAG doc",
-                  "contentType": "text/markdown",
-                  "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
-                  "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/facets\\/[\\d-]+\\/DocumentationJobFacet.json\\#\\/\\$defs\\/DocumentationJobFacet\") }}"
+                    "description": "MD DAG doc",
+                    "contentType": "text/markdown",
+                    "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
+                    "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/facets\\/[\\d-]+\\/DocumentationJobFacet.json\\#\\/\\$defs\\/DocumentationJobFacet\") }}"
                 },
                 "jobType": {
                     "integration": "AIRFLOW",
@@ -104,30 +104,30 @@
                     "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/facets\\/[\\d-]+\\/OwnershipJobFacet.json\\#\\/\\$defs\\/OwnershipJobFacet\") }}"
                 },
                 "tags": {
-                  "tags": [
-                      {
-                          "key": "first",
-                          "value": "first",
-                          "source": "AIRFLOW"
-                      },
-                      {
-                          "key": "second@",
-                          "value": "second@",
-                          "source": "AIRFLOW"
-                      },
-                      {
-                          "key": "with'quote",
-                          "value": "with'quote",
-                          "source": "AIRFLOW"
-                      },
-                      {
-                          "key": "z\"e",
-                          "value": "z\"e",
-                          "source": "AIRFLOW"
-                      }
-                  ],
-                  "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
-                  "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/facets\\/[\\d-]+\\/TagsJobFacet.json\\#\\/\\$defs\\/TagsJobFacet\") }}"
+                    "tags": [
+                        {
+                            "key": "first",
+                            "value": "first",
+                            "source": "AIRFLOW"
+                        },
+                        {
+                            "key": "second@",
+                            "value": "second@",
+                            "source": "AIRFLOW"
+                        },
+                        {
+                            "key": "with'quote",
+                            "value": "with'quote",
+                            "source": "AIRFLOW"
+                        },
+                        {
+                            "key": "z\"e",
+                            "value": "z\"e",
+                            "source": "AIRFLOW"
+                        }
+                    ],
+                    "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
+                    "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/facets\\/[\\d-]+\\/TagsJobFacet.json\\#\\/\\$defs\\/TagsJobFacet\") }}"
                 },
                 "airflow": {
                     "taskGroups": {},
@@ -204,24 +204,24 @@
                     "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/[\\d-]+\\/OpenLineage.json\\#\\/\\$defs\\/RunFacet\") }}"
                 },
                 "parent": {
-                  "job": {
-                    "namespace": "prod_biz",
-                    "name": "get_files"
-                  },
-                  "run": {
-                    "runId": "3bb703d1-09c1-4a42-8da5-35a0b3216072"
-                  },
-                  "root": {
                     "job": {
-                      "name": "generate_report_sales_e2e",
-                      "namespace": "prod_analytics"
+                        "namespace": "prod_biz",
+                        "name": "get_files"
                     },
                     "run": {
-                      "runId": "9d3b14f7-de91-40b6-aeef-e887e2c7673e"
-                    }
-                  },
-                  "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
-                  "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/facets\\/[\\d-]+\\/ParentRunFacet.json\\#\\/\\$defs\\/ParentRunFacet$\") }}"
+                        "runId": "3bb703d1-09c1-4a42-8da5-35a0b3216072"
+                    },
+                    "root": {
+                        "job": {
+                            "name": "generate_report_sales_e2e",
+                            "namespace": "prod_analytics"
+                        },
+                        "run": {
+                            "runId": "9d3b14f7-de91-40b6-aeef-e887e2c7673e"
+                        }
+                    },
+                    "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
+                    "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/facets\\/[\\d-]+\\/ParentRunFacet.json\\#\\/\\$defs\\/ParentRunFacet$\") }}"
                 },
                 "nominalTime": {
                     "nominalEndTime": "{{ is_datetime(result) }}",
@@ -243,10 +243,10 @@
             "name": "openlineage_trigger_dag_child__notrigger",
             "facets": {
                 "documentation": {
-                  "description": "MD DAG doc",
-                  "contentType": "text/markdown",
-                  "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
-                  "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/facets\\/[\\d-]+\\/DocumentationJobFacet.json\\#\\/\\$defs\\/DocumentationJobFacet\") }}"
+                    "description": "MD DAG doc",
+                    "contentType": "text/markdown",
+                    "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
+                    "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/facets\\/[\\d-]+\\/DocumentationJobFacet.json\\#\\/\\$defs\\/DocumentationJobFacet\") }}"
                 },
                 "ownership": {
                     "owners": [
@@ -258,30 +258,30 @@
                     "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/facets\\/[\\d-]+\\/OwnershipJobFacet.json\\#\\/\\$defs\\/OwnershipJobFacet\") }}"
                 },
                 "tags": {
-                  "tags": [
-                      {
-                          "key": "first",
-                          "value": "first",
-                          "source": "AIRFLOW"
-                      },
-                      {
-                          "key": "second@",
-                          "value": "second@",
-                          "source": "AIRFLOW"
-                      },
-                      {
-                          "key": "with'quote",
-                          "value": "with'quote",
-                          "source": "AIRFLOW"
-                      },
-                      {
-                          "key": "z\"e",
-                          "value": "z\"e",
-                          "source": "AIRFLOW"
-                      }
-                  ],
-                  "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
-                  "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/facets\\/[\\d-]+\\/TagsJobFacet.json\\#\\/\\$defs\\/TagsJobFacet\") }}"
+                    "tags": [
+                        {
+                            "key": "first",
+                            "value": "first",
+                            "source": "AIRFLOW"
+                        },
+                        {
+                            "key": "second@",
+                            "value": "second@",
+                            "source": "AIRFLOW"
+                        },
+                        {
+                            "key": "with'quote",
+                            "value": "with'quote",
+                            "source": "AIRFLOW"
+                        },
+                        {
+                            "key": "z\"e",
+                            "value": "z\"e",
+                            "source": "AIRFLOW"
+                        }
+                    ],
+                    "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
+                    "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/facets\\/[\\d-]+\\/TagsJobFacet.json\\#\\/\\$defs\\/TagsJobFacet\") }}"
                 },
                 "jobType": {
                     "integration": "AIRFLOW",
@@ -298,24 +298,24 @@
         "run": {
             "facets": {
                 "parent": {
-                  "job": {
-                    "namespace": "{{ result is string }}",
-                    "name": "openlineage_trigger_dag_child__notrigger"
-                  },
-                  "run": {
-                    "runId": "{{ is_uuid(result) }}"
-                  },
-                  "root": {
                     "job": {
-                      "name": "generate_report_sales_e2e",
-                      "namespace": "prod_analytics"
+                        "namespace": "{{ result is string }}",
+                        "name": "openlineage_trigger_dag_child__notrigger"
                     },
                     "run": {
-                      "runId": "9d3b14f7-de91-40b6-aeef-e887e2c7673e"
-                    }
-                  },
-                  "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
-                  "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/facets\\/[\\d-]+\\/ParentRunFacet.json\\#\\/\\$defs\\/ParentRunFacet$\") }}"
+                        "runId": "{{ is_uuid(result) }}"
+                    },
+                    "root": {
+                        "job": {
+                            "name": "generate_report_sales_e2e",
+                            "namespace": "prod_analytics"
+                        },
+                        "run": {
+                            "runId": "9d3b14f7-de91-40b6-aeef-e887e2c7673e"
+                        }
+                    },
+                    "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
+                    "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/facets\\/[\\d-]+\\/ParentRunFacet.json\\#\\/\\$defs\\/ParentRunFacet$\") }}"
                 }
             }
         },
@@ -328,24 +328,24 @@
         "run": {
             "facets": {
                 "parent": {
-                  "job": {
-                    "namespace": "{{ result is string }}",
-                    "name": "openlineage_trigger_dag_child__notrigger"
-                  },
-                  "run": {
-                    "runId": "{{ is_uuid(result) }}"
-                  },
-                  "root": {
                     "job": {
-                      "name": "generate_report_sales_e2e",
-                      "namespace": "prod_analytics"
+                        "namespace": "{{ result is string }}",
+                        "name": "openlineage_trigger_dag_child__notrigger"
                     },
                     "run": {
-                      "runId": "9d3b14f7-de91-40b6-aeef-e887e2c7673e"
-                    }
-                  },
-                  "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
-                  "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/facets\\/[\\d-]+\\/ParentRunFacet.json\\#\\/\\$defs\\/ParentRunFacet$\") }}"
+                        "runId": "{{ is_uuid(result) }}"
+                    },
+                    "root": {
+                        "job": {
+                            "name": "generate_report_sales_e2e",
+                            "namespace": "prod_analytics"
+                        },
+                        "run": {
+                            "runId": "9d3b14f7-de91-40b6-aeef-e887e2c7673e"
+                        }
+                    },
+                    "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
+                    "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/facets\\/[\\d-]+\\/ParentRunFacet.json\\#\\/\\$defs\\/ParentRunFacet$\") }}"
                 }
             }
         },
@@ -359,28 +359,29 @@
             "facets": {
                 "airflow": {
                     "task": {
-                        "trigger_dag_id": "openlineage_trigger_dag_child__notrigger"
+                        "trigger_dag_id": "openlineage_trigger_dag_child__notrigger",
+                        "trigger_run_id": "{{ result.startswith('openlineage_trigger_dag_triggering_child_202') }}"
                     }
                 },
                 "parent": {
-                  "job": {
-                    "namespace": "{{ result is string }}",
-                    "name": "openlineage_trigger_dag"
-                  },
-                  "run": {
-                    "runId": "{{ is_uuid(result) }}"
-                  },
-                  "root": {
                     "job": {
-                      "name": "openlineage_trigger_dag",
-                      "namespace": "{{ result is string }}"
+                        "namespace": "{{ result is string }}",
+                        "name": "openlineage_trigger_dag"
                     },
                     "run": {
-                      "runId": "{{ is_uuid(result) }}"
-                    }
-                  },
-                  "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
-                  "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/facets\\/[\\d-]+\\/ParentRunFacet.json\\#\\/\\$defs\\/ParentRunFacet$\") }}"
+                        "runId": "{{ is_uuid(result) }}"
+                    },
+                    "root": {
+                        "job": {
+                            "name": "openlineage_trigger_dag",
+                            "namespace": "{{ result is string }}"
+                        },
+                        "run": {
+                            "runId": "{{ is_uuid(result) }}"
+                        }
+                    },
+                    "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
+                    "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/facets\\/[\\d-]+\\/ParentRunFacet.json\\#\\/\\$defs\\/ParentRunFacet$\") }}"
                 }
             }
         },
@@ -394,28 +395,29 @@
             "facets": {
                 "airflow": {
                     "task": {
-                        "trigger_dag_id": "openlineage_trigger_dag_child__notrigger"
+                        "trigger_dag_id": "openlineage_trigger_dag_child__notrigger",
+                        "trigger_run_id": "{{ result.startswith('openlineage_trigger_dag_triggering_child_202') }}"
                     }
                 },
                 "parent": {
-                  "job": {
-                    "namespace": "{{ result is string }}",
-                    "name": "openlineage_trigger_dag"
-                  },
-                  "run": {
-                    "runId": "{{ is_uuid(result) }}"
-                  },
-                  "root": {
                     "job": {
-                      "name": "openlineage_trigger_dag",
-                      "namespace": "{{ result is string }}"
+                        "namespace": "{{ result is string }}",
+                        "name": "openlineage_trigger_dag"
                     },
                     "run": {
-                      "runId": "{{ is_uuid(result) }}"
-                    }
-                  },
-                  "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
-                  "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/facets\\/[\\d-]+\\/ParentRunFacet.json\\#\\/\\$defs\\/ParentRunFacet$\") }}"
+                        "runId": "{{ is_uuid(result) }}"
+                    },
+                    "root": {
+                        "job": {
+                            "name": "openlineage_trigger_dag",
+                            "namespace": "{{ result is string }}"
+                        },
+                        "run": {
+                            "runId": "{{ is_uuid(result) }}"
+                        }
+                    },
+                    "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
+                    "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/facets\\/[\\d-]+\\/ParentRunFacet.json\\#\\/\\$defs\\/ParentRunFacet$\") }}"
                 }
             }
         },
diff --git a/providers/openlineage/tests/system/openlineage/expected_events/openlineage_trigger_dag_deferrable.json b/providers/openlineage/tests/system/openlineage/expected_events/openlineage_trigger_dag_deferrable.json
new file mode 100644
index 0000000000000..fc274dd93dc80
--- /dev/null
+++ b/providers/openlineage/tests/system/openlineage/expected_events/openlineage_trigger_dag_deferrable.json
@@ -0,0 +1,660 @@
+[
+    {
+        "eventType": "START",
+        "eventTime": "{{ is_datetime(result) }}",
+        "producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
+        "schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/[\\d-]+\\/OpenLineage.json\\#\\/\\$defs\\/RunEvent$\") }}",
+        "inputs": [],
+        "outputs": [],
+        "run": {
+            "runId": "{{ is_uuid(result) }}",
+            "facets": {
+                "airflowDagRun": {
+                    "dag": {
+                        "dag_id": "openlineage_trigger_dag_deferrable_child__notrigger",
+                        "fileloc": "{{ result.endswith('openlineage/example_openlineage_trigger_dag_deferrable.py') }}",
+                        "owner": "airflow",
+                        "owner_links": {},
+                        "start_date": "{{ is_datetime(result) }}",
+                        "timetable": {}
+                    },
+                    "dagRun": {
+                        "conf": {
+                            "some_config": "value1",
+                            "openlineage": {
+                                "parentRunId": "{{ is_uuid(result) }}",
+                                "parentJobNamespace": "{{ result is string }}",
+                                "parentJobName": "openlineage_trigger_dag_deferrable.trigger_dagrun",
+                                "rootParentRunId": "{{ is_uuid(result) }}",
+                                "rootParentJobNamespace": "{{ result is string }}",
+                                "rootParentJobName": "openlineage_trigger_dag_deferrable"
+                            }
+                        },
+                        "dag_id": "openlineage_trigger_dag_deferrable_child__notrigger",
+                        "data_interval_end": "{{ is_datetime(result) }}",
+                        "data_interval_start": "{{ is_datetime(result) }}",
+                        "logical_date": "{{ is_datetime(result) }}",
+                        "run_id": "{{ result.startswith('manual__202') }}",
+                        "run_type": "manual",
+                        "start_date": "{{ is_datetime(result) }}"
+                    },
+                    "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
+                    "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/[\\d-]+\\/OpenLineage.json\\#\\/\\$defs\\/RunFacet\") }}"
+                },
+                "parent": {
+                    "job": {
+                        "namespace": "{{ result is string }}",
+                        "name": "openlineage_trigger_dag_deferrable.trigger_dagrun"
+                    },
+                    "run": {
+                        "runId": "{{ is_uuid(result) }}"
+                    },
+                    "root": {
+                        "job": {
+                            "name": "openlineage_trigger_dag_deferrable",
+                            "namespace": "{{ result is string }}"
+                        },
+                        "run": {
+                            "runId": "{{ is_uuid(result) }}"
+                        }
+                    },
+                    "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
+                    "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/facets\\/[\\d-]+\\/ParentRunFacet.json\\#\\/\\$defs\\/ParentRunFacet$\") }}"
+                },
+                "nominalTime": {
+                    "nominalEndTime": "{{ is_datetime(result) }}",
+                    "nominalStartTime": "{{ is_datetime(result) }}",
+                    "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
+                    "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/facets\\/[\\d-]+\\/NominalTimeRunFacet.json\\#\\/\\$defs\\/NominalTimeRunFacet$\") }}"
+                },
+                "processing_engine": {
+                    "name": "Airflow",
+                    "openlineageAdapterVersion": "{{ regex_match(result, \"^[\\d]+\\.[\\d]+\\.[\\d]+.*\") }}",
+                    "version": "{{ regex_match(result, \"^[\\d]+\\.[\\d]+\\.[\\d]+.*\") }}",
+                    "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
+                    "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/facets\\/[\\d-]+\\/ProcessingEngineRunFacet.json\\#\\/\\$defs\\/ProcessingEngineRunFacet$\") }}"
+                }
+            }
+        },
+        "job": {
+            "namespace": "{{ result is string }}",
+            "name": "openlineage_trigger_dag_deferrable_child__notrigger",
+            "facets": {
+                "jobType": {
+                    "integration": "AIRFLOW",
+                    "jobType": "DAG",
+                    "processingType": "BATCH",
+                    "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
+                    "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/facets\\/[\\d-]+\\/JobTypeJobFacet.json\\#\\/\\$defs\\/JobTypeJobFacet\") }}"
+                },
+                "ownership": {
+                    "owners": [
+                        {
+                            "name": "airflow"
+                        }
+                    ],
+                    "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
+                    "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/facets\\/[\\d-]+\\/OwnershipJobFacet.json\\#\\/\\$defs\\/OwnershipJobFacet\") }}"
+                },
+                "airflow": {
+                    "taskGroups": {},
+                    "taskTree": {},
+                    "tasks": {
+                        "trigger_dagrun2": {
+                            "downstream_task_ids": [],
+                            "emits_ol_events": "{{ result == true }}",
+                            "is_setup": false,
+                            "is_teardown": false,
+                            "operator": "airflow.providers.standard.operators.trigger_dagrun.TriggerDagRunOperator",
+                            "ui_label": "trigger_dagrun2"
+                        }
+                    },
+                    "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
+                    "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/[\\d-]+\\/OpenLineage.json\\#\\/\\$defs\\/JobFacet\") }}"
+                }
+            }
+        }
+    },
+    {
+        "eventType": "COMPLETE",
+        "eventTime": "{{ is_datetime(result) }}",
+        "producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
+        "schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/[\\d-]+\\/OpenLineage.json\\#\\/\\$defs\\/RunEvent$\") }}",
+        "inputs": [],
+        "outputs": [],
+        "run": {
+            "runId": "{{ is_uuid(result) }}",
+            "facets": {
+                "airflowState": {
+                    "dagRunState": "success",
+                    "tasksState": {
+                        "trigger_dagrun2": "success"
+                    },
+                    "tasksDuration": {
+                        "trigger_dagrun2": "{{ result is number }}"
+                    },
+                    "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
+                    "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/[\\d-]+\\/OpenLineage.json\\#\\/\\$defs\\/RunFacet\") }}"
+                },
+                "airflowDagRun": {
+                    "dag": {
+                        "dag_id": "openlineage_trigger_dag_deferrable_child__notrigger",
+                        "fileloc": "{{ result.endswith('openlineage/example_openlineage_trigger_dag_deferrable.py') }}",
+                        "owner": "airflow",
+                        "owner_links": {},
+                        "start_date": "{{ is_datetime(result) }}",
+                        "timetable": {}
+                    },
+                    "dagRun": {
+                        "conf": {
+                            "some_config": "value1",
+                            "openlineage": {
+                                "parentRunId": "{{ is_uuid(result) }}",
+                                "parentJobNamespace": "{{ result is string }}",
+                                "parentJobName": "openlineage_trigger_dag_deferrable.trigger_dagrun",
+                                "rootParentRunId": "{{ is_uuid(result) }}",
+                                "rootParentJobNamespace": "{{ result is string }}",
+                                "rootParentJobName": "openlineage_trigger_dag_deferrable"
+                            }
+                        },
+                        "dag_id": "openlineage_trigger_dag_deferrable_child__notrigger",
+                        "data_interval_end": "{{ is_datetime(result) }}",
+                        "data_interval_start": "{{ is_datetime(result) }}",
+                        "logical_date": "{{ is_datetime(result) }}",
+                        "run_id": "{{ result.startswith('manual__202') }}",
+                        "run_type": "manual",
+                        "start_date": "{{ is_datetime(result) }}",
+                        "duration": "{{ result is number }}"
+                    },
+                    "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
+                    "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/[\\d-]+\\/OpenLineage.json\\#\\/\\$defs\\/RunFacet\") }}"
+                },
+                "parent": {
+                    "job": {
+                        "namespace": "{{ result is string }}",
+                        "name": "openlineage_trigger_dag_deferrable.trigger_dagrun"
+                    },
+                    "run": {
+                        "runId": "{{ is_uuid(result) }}"
+                    },
+                    "root": {
+                        "job": {
+                            "name": "openlineage_trigger_dag_deferrable",
+                            "namespace": "{{ result is string }}"
+                        },
+                        "run": {
+                            "runId": "{{ is_uuid(result) }}"
+                        }
+                    },
+                    "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
+                    "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/facets\\/[\\d-]+\\/ParentRunFacet.json\\#\\/\\$defs\\/ParentRunFacet$\") }}"
+                },
+                "nominalTime": {
+                    "nominalEndTime": "{{ is_datetime(result) }}",
+                    "nominalStartTime": "{{ is_datetime(result) }}",
+                    "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
+                    "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/facets\\/[\\d-]+\\/NominalTimeRunFacet.json\\#\\/\\$defs\\/NominalTimeRunFacet$\") }}"
+                },
+                "processing_engine": {
+                    "name": "Airflow",
+                    "openlineageAdapterVersion": "{{ regex_match(result, \"^[\\d]+\\.[\\d]+\\.[\\d]+.*\") }}",
+                    "version": "{{ regex_match(result, \"^[\\d]+\\.[\\d]+\\.[\\d]+.*\") }}",
+                    "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
+                    "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/facets\\/[\\d-]+\\/ProcessingEngineRunFacet.json\\#\\/\\$defs\\/ProcessingEngineRunFacet$\") }}"
+                }
+            }
+        },
+        "job": {
+            "namespace": "{{ result is string }}",
+            "name": "openlineage_trigger_dag_deferrable_child__notrigger",
+            "facets": {
+                "ownership": {
+                    "owners": [
+                        {
+                            "name": "airflow"
+                        }
+                    ],
+                    "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
+                    "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/facets\\/[\\d-]+\\/OwnershipJobFacet.json\\#\\/\\$defs\\/OwnershipJobFacet\") }}"
+                },
+                "jobType": {
+                    "integration": "AIRFLOW",
+                    "jobType": "DAG",
+                    "processingType": "BATCH",
+                    "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
+                    "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/facets\\/[\\d-]+\\/JobTypeJobFacet.json\\#\\/\\$defs\\/JobTypeJobFacet\") }}"
+                }
+            }
+        }
+    },
+    {
+        "eventType": "START",
+        "run": {
+            "facets": {
+                "airflow": {
+                    "task": {
+                        "trigger_dag_id": "openlineage_trigger_dag_deferrable_child2__notrigger"
+                    }
+                },
+                "parent": {
+                    "job": {
+                        "namespace": "{{ result is string }}",
+                        "name": "openlineage_trigger_dag_deferrable_child__notrigger"
+                    },
+                    "run": {
+                        "runId": "{{ is_uuid(result) }}"
+                    },
+                    "root": {
+                        "job": {
+                            "name": "openlineage_trigger_dag_deferrable",
+                            "namespace": "{{ result is string }}"
+                        },
+                        "run": {
+                            "runId": "{{ is_uuid(result) }}"
+                        }
+                    },
+                    "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
+                    "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/facets\\/[\\d-]+\\/ParentRunFacet.json\\#\\/\\$defs\\/ParentRunFacet$\") }}"
+                }
+            }
+        },
+        "job": {
+            "name": "openlineage_trigger_dag_deferrable_child__notrigger.trigger_dagrun2"
+        }
+    },
+    {
+        "eventType": "COMPLETE",
+        "run": {
+            "facets": {
+                "airflow": {
+                    "task": {
+                        "trigger_dag_id": "openlineage_trigger_dag_deferrable_child2__notrigger",
+                        "trigger_run_id": "{{ result.startswith('manual__202') }}"
+                    }
+                },
+                "parent": {
+                    "job": {
+                        "namespace": "{{ result is string }}",
+                        "name": "openlineage_trigger_dag_deferrable_child__notrigger"
+                    },
+                    "run": {
+                        "runId": "{{ is_uuid(result) }}"
+                    },
+                    "root": {
+                        "job": {
+                            "name": "openlineage_trigger_dag_deferrable",
+                            "namespace": "{{ result is string }}"
+                        },
+                        "run": {
+                            "runId": "{{ is_uuid(result) }}"
+                        }
+                    },
+                    "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
+                    "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/facets\\/[\\d-]+\\/ParentRunFacet.json\\#\\/\\$defs\\/ParentRunFacet$\") }}"
+                }
+            }
+        },
+        "job": {
+            "name": "openlineage_trigger_dag_deferrable_child__notrigger.trigger_dagrun2"
+        }
+    },
+    {
+        "eventType": "START",
+        "eventTime": "{{ is_datetime(result) }}",
+        "producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
+        "schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/[\\d-]+\\/OpenLineage.json\\#\\/\\$defs\\/RunEvent$\") }}",
+        "inputs": [],
+        "outputs": [],
+        "run": {
+            "runId": "{{ is_uuid(result) }}",
+            "facets": {
+                "airflowDagRun": {
+                    "dag": {
+                        "dag_id": "openlineage_trigger_dag_deferrable_child2__notrigger",
+                        "fileloc": "{{ result.endswith('openlineage/example_openlineage_trigger_dag_deferrable.py') }}",
+                        "owner": "airflow",
+                        "owner_links": {},
+                        "start_date": "{{ is_datetime(result) }}",
+                        "timetable": {}
+                    },
+                    "dagRun": {
+                        "conf": {
+                            "openlineage": {
+                                "parentRunId": "{{ is_uuid(result) }}",
+                                "parentJobNamespace": "{{ result is string }}",
+                                "parentJobName": "openlineage_trigger_dag_deferrable_child__notrigger.trigger_dagrun2",
+                                "rootParentRunId": "{{ is_uuid(result) }}",
+                                "rootParentJobNamespace": "{{ result is string }}",
+                                "rootParentJobName": "openlineage_trigger_dag_deferrable"
+                            }
+                        },
+                        "dag_id": "openlineage_trigger_dag_deferrable_child2__notrigger",
+                        "data_interval_end": "{{ is_datetime(result) }}",
+                        "data_interval_start": "{{ is_datetime(result) }}",
+                        "logical_date": "{{ is_datetime(result) }}",
+                        "run_id": "{{ result.startswith('manual__202') }}",
+                        "run_type": "manual",
+                        "start_date": "{{ is_datetime(result) }}"
+                    },
+                    "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
+                    "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/[\\d-]+\\/OpenLineage.json\\#\\/\\$defs\\/RunFacet\") }}"
+                },
+                "parent": {
+                    "job": {
+                        "namespace": "{{ result is string }}",
+                        "name": "openlineage_trigger_dag_deferrable_child__notrigger.trigger_dagrun2"
+                    },
+                    "run": {
+                        "runId": "{{ is_uuid(result) }}"
+                    },
+                    "root": {
+                        "job": {
+                            "name": "openlineage_trigger_dag_deferrable",
+                            "namespace": "{{ result is string }}"
+                        },
+                        "run": {
+                            "runId": "{{ is_uuid(result) }}"
+                        }
+                    },
+                    "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
+                    "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/facets\\/[\\d-]+\\/ParentRunFacet.json\\#\\/\\$defs\\/ParentRunFacet$\") }}"
+                },
+                "nominalTime": {
+                    "nominalEndTime": "{{ is_datetime(result) }}",
+                    "nominalStartTime": "{{ is_datetime(result) }}",
+                    "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
+                    "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/facets\\/[\\d-]+\\/NominalTimeRunFacet.json\\#\\/\\$defs\\/NominalTimeRunFacet$\") }}"
+                },
+                "processing_engine": {
+                    "name": "Airflow",
+                    "openlineageAdapterVersion": "{{ regex_match(result, \"^[\\d]+\\.[\\d]+\\.[\\d]+.*\") }}",
+                    "version": "{{ regex_match(result, \"^[\\d]+\\.[\\d]+\\.[\\d]+.*\") }}",
+                    "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
+                    "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/facets\\/[\\d-]+\\/ProcessingEngineRunFacet.json\\#\\/\\$defs\\/ProcessingEngineRunFacet$\") }}"
+                }
+            }
+        },
+        "job": {
+            "namespace": "{{ result is string }}",
+            "name": "openlineage_trigger_dag_deferrable_child2__notrigger",
+            "facets": {
+                "jobType": {
+                    "integration": "AIRFLOW",
+                    "jobType": "DAG",
+                    "processingType": "BATCH",
+                    "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
+                    "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/facets\\/[\\d-]+\\/JobTypeJobFacet.json\\#\\/\\$defs\\/JobTypeJobFacet\") }}"
+                },
+                "ownership": {
+                    "owners": [
+                        {
+                            "name": "airflow"
+                        }
+                    ],
+                    "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
+                    "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/facets\\/[\\d-]+\\/OwnershipJobFacet.json\\#\\/\\$defs\\/OwnershipJobFacet\") }}"
+                },
+                "airflow": {
+                    "taskGroups": {},
+                    "taskTree": {},
+                    "tasks": {
+                        "do_nothing_task": {
+                            "downstream_task_ids": [],
+                            "emits_ol_events": "{{ result == true }}",
+                            "is_setup": false,
+                            "is_teardown": false,
+                            "operator": "airflow.providers.standard.operators.bash.BashOperator",
+                            "ui_label": "do_nothing_task"
+                        }
+                    },
+                    "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
+                    "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/[\\d-]+\\/OpenLineage.json\\#\\/\\$defs\\/JobFacet\") }}"
+                }
+            }
+        }
+    },
+    {
+        "eventType": "COMPLETE",
+        "eventTime": "{{ is_datetime(result) }}",
+        "producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
+        "schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/[\\d-]+\\/OpenLineage.json\\#\\/\\$defs\\/RunEvent$\") }}",
+        "inputs": [],
+        "outputs": [],
+        "run": {
+            "runId": "{{ is_uuid(result) }}",
+            "facets": {
+                "airflowState": {
+                    "dagRunState": "success",
+                    "tasksState": {
+                        "do_nothing_task": "success"
+                    },
+                    "tasksDuration": {
+                        "do_nothing_task": "{{ result is number }}"
+                    },
+                    "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
+                    "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/[\\d-]+\\/OpenLineage.json\\#\\/\\$defs\\/RunFacet\") }}"
+                },
+                "airflowDagRun": {
+                    "dag": {
+                        "dag_id": "openlineage_trigger_dag_deferrable_child2__notrigger",
+                        "fileloc": "{{ result.endswith('openlineage/example_openlineage_trigger_dag_deferrable.py') }}",
+                        "owner": "airflow",
+                        "owner_links": {},
+                        "start_date": "{{ is_datetime(result) }}",
+                        "timetable": {}
+                    },
+                    "dagRun": {
+                        "conf": {
+                            "openlineage": {
+                                "parentRunId": "{{ is_uuid(result) }}",
+                                "parentJobNamespace": "{{ result is string }}",
+                                "parentJobName": "openlineage_trigger_dag_deferrable_child__notrigger.trigger_dagrun2",
+                                "rootParentRunId": "{{ is_uuid(result) }}",
+                                "rootParentJobNamespace": "{{ result is string }}",
+                                "rootParentJobName": "openlineage_trigger_dag_deferrable"
+                            }
+                        },
+                        "dag_id": "openlineage_trigger_dag_deferrable_child2__notrigger",
+                        "data_interval_end": "{{ is_datetime(result) }}",
+                        "data_interval_start": "{{ is_datetime(result) }}",
+                        "logical_date": "{{ is_datetime(result) }}",
+                        "run_id": "{{ result.startswith('manual__202') }}",
+                        "run_type": "manual",
+                        "start_date": "{{ is_datetime(result) }}",
+                        "duration": "{{ result is number }}"
+                    },
+                    "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
+                    "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/[\\d-]+\\/OpenLineage.json\\#\\/\\$defs\\/RunFacet\") }}"
+                },
+                "parent": {
+                    "job": {
+                        "namespace": "{{ result is string }}",
+                        "name": "openlineage_trigger_dag_deferrable_child__notrigger.trigger_dagrun2"
+                    },
+                    "run": {
+                        "runId": "{{ is_uuid(result) }}"
+                    },
+                    "root": {
+                        "job": {
+                            "name": "openlineage_trigger_dag_deferrable",
+                            "namespace": "{{ result is string }}"
+                        },
+                        "run": {
+                            "runId": "{{ is_uuid(result) }}"
+                        }
+                    },
+                    "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
+                    "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/facets\\/[\\d-]+\\/ParentRunFacet.json\\#\\/\\$defs\\/ParentRunFacet$\") }}"
+                },
+                "nominalTime": {
+                    "nominalEndTime": "{{ is_datetime(result) }}",
+                    "nominalStartTime": "{{ is_datetime(result) }}",
+                    "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
+                    "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/facets\\/[\\d-]+\\/NominalTimeRunFacet.json\\#\\/\\$defs\\/NominalTimeRunFacet$\") }}"
+                },
+                "processing_engine": {
+                    "name": "Airflow",
+                    "openlineageAdapterVersion": "{{ regex_match(result, \"^[\\d]+\\.[\\d]+\\.[\\d]+.*\") }}",
+                    "version": "{{ regex_match(result, \"^[\\d]+\\.[\\d]+\\.[\\d]+.*\") }}",
+                    "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
+                    "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/facets\\/[\\d-]+\\/ProcessingEngineRunFacet.json\\#\\/\\$defs\\/ProcessingEngineRunFacet$\") }}"
+                }
+            }
+        },
+        "job": {
+            "namespace": "{{ result is string }}",
+            "name": "openlineage_trigger_dag_deferrable_child2__notrigger",
+            "facets": {
+                "ownership": {
+                    "owners": [
+                        {
+                            "name": "airflow"
+                        }
+                    ],
+                    "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
+                    "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/facets\\/[\\d-]+\\/OwnershipJobFacet.json\\#\\/\\$defs\\/OwnershipJobFacet\") }}"
+                },
+                "jobType": {
+                    "integration": "AIRFLOW",
+                    "jobType": "DAG",
+                    "processingType": "BATCH",
+                    "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
+                    "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/facets\\/[\\d-]+\\/JobTypeJobFacet.json\\#\\/\\$defs\\/JobTypeJobFacet\") }}"
+                }
+            }
+        }
+    },
+    {
+        "eventType": "START",
+        "run": {
+            "facets": {
+                "parent": {
+                    "job": {
+                        "namespace": "{{ result is string }}",
+                        "name": "openlineage_trigger_dag_deferrable_child2__notrigger"
+                    },
+                    "run": {
+                        "runId": "{{ is_uuid(result) }}"
+                    },
+                    "root": {
+                        "job": {
+                            "name": "openlineage_trigger_dag_deferrable",
+                            "namespace": "{{ result is string }}"
+                        },
+                        "run": {
+                            "runId": "{{ is_uuid(result) }}"
+                        }
+                    },
+                    "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
+                    "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/facets\\/[\\d-]+\\/ParentRunFacet.json\\#\\/\\$defs\\/ParentRunFacet$\") }}"
+                }
+            }
+        },
+        "job": {
+            "name": "openlineage_trigger_dag_deferrable_child2__notrigger.do_nothing_task"
+        }
+    },
+    {
+        "eventType": "COMPLETE",
+        "run": {
+            "facets": {
+                "parent": {
+                    "job": {
+                        "namespace": "{{ result is string }}",
+                        "name": "openlineage_trigger_dag_deferrable_child2__notrigger"
+                    },
+                    "run": {
+                        "runId": "{{ is_uuid(result) }}"
+                    },
+                    "root": {
+                        "job": {
+                            "name": "openlineage_trigger_dag_deferrable",
+                            "namespace": "{{ result is string }}"
+                        },
+                        "run": {
+                            "runId": "{{ is_uuid(result) }}"
+                        }
+                    },
+                    "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
+                    "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/facets\\/[\\d-]+\\/ParentRunFacet.json\\#\\/\\$defs\\/ParentRunFacet$\") }}"
+                }
+            }
+        },
+        "job": {
+            "name": "openlineage_trigger_dag_deferrable_child2__notrigger.do_nothing_task"
+        }
+    },
+    {
+        "eventType": "START",
+        "run": {
+            "facets": {
+                "airflow": {
+                    "task": {
+                        "deferrable": "{{ result == true }}",
+                        "trigger_dag_id": "openlineage_trigger_dag_deferrable_child__notrigger"
+                    }
+                },
+                "parent": {
+                    "job": {
+                        "namespace": "{{ result is string }}",
+                        "name": "openlineage_trigger_dag_deferrable"
+                    },
+                    "run": {
+                        "runId": "{{ is_uuid(result) }}"
+                    },
+                    "root": {
+                        "job": {
+                            "name": "openlineage_trigger_dag_deferrable",
+                            "namespace": "{{ result is string }}"
+                        },
+                        "run": {
+                            "runId": "{{ is_uuid(result) }}"
+                        }
+                    },
+                    "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
+                    "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/facets\\/[\\d-]+\\/ParentRunFacet.json\\#\\/\\$defs\\/ParentRunFacet$\") }}"
+                }
+            }
+        },
+        "job": {
+            "name": "openlineage_trigger_dag_deferrable.trigger_dagrun"
+        }
+    },
+    {
+        "eventType": "COMPLETE",
+        "run": {
+            "facets": {
+                "airflow": {
+                    "task": {
+                        "deferrable": "{{ result == true }}",
+                        "trigger_dag_id": "openlineage_trigger_dag_deferrable_child__notrigger",
+                        "trigger_run_id": "{{ result.startswith('manual__') }}"
+                    }
+                },
+                "parent": {
+                    "job": {
+                        "namespace": "{{ result is string }}",
+                        "name": "openlineage_trigger_dag_deferrable"
+                    },
+                    "run": {
+                        "runId": "{{ is_uuid(result) }}"
+                    },
+                    "root": {
+                        "job": {
+                            "name": "openlineage_trigger_dag_deferrable",
+                            "namespace": "{{ result is string }}"
+                        },
+                        "run": {
+                            "runId": "{{ is_uuid(result) }}"
+                        }
+                    },
+                    "_producer": "{{ regex_match(result, \"^https:\\/\\/github.com/apache/airflow/tree/providers-openlineage\\/[\\d]+\\.[\\d]+\\.[\\d]+.*$\") }}",
+                    "_schemaURL": "{{ regex_match(result, \"^https:\\/\\/openlineage.io\\/spec\\/facets\\/[\\d-]+\\/ParentRunFacet.json\\#\\/\\$defs\\/ParentRunFacet$\") }}"
+                }
+            }
+        },
+        "job": {
+            "name": "openlineage_trigger_dag_deferrable.trigger_dagrun"
+        }
+    }
+]
diff --git a/providers/openlineage/tests/system/openlineage/operator.py b/providers/openlineage/tests/system/openlineage/operator.py
index 000696a95b1f0..0bc8aa7c003b5 100644
--- a/providers/openlineage/tests/system/openlineage/operator.py
+++ b/providers/openlineage/tests/system/openlineage/operator.py
@@ -188,7 +188,7 @@ class OpenLineageTestOperator(BaseOperator):
     :param event_templates: dictionary where key is the key used by VariableTransport in format of <DAG_ID>.<TASK_ID>.event.<EVENT_TYPE>, and value is event template (fragment) that need to be in received events.
     :param file_path: alternatively, file_path pointing to file with event templates will be used
     :param env: jinja environment used to render event templates
-    :param allow_duplicate_events: if set to True, allows multiple events for the same key
+    :param allow_duplicate_events_regex: regex pattern; keys matching it are allowed to have multiple events.
     :param clear_variables: if set to True, clears only variables to be checked after all events are checked or if any check fails
     :raises: ValueError if the received events do not match with expected ones.
     """
@@ -198,7 +198,7 @@ def __init__(
         event_templates: dict[str, dict] | None = None,
         file_path: str | None = None,
         env: Environment = setup_jinja(),
-        allow_duplicate_events: bool = False,
+        allow_duplicate_events_regex: str | None = None,
         clear_variables: bool = True,
         **kwargs,
     ):
@@ -206,8 +206,8 @@ def __init__(
         self.event_templates = event_templates
         self.file_path = file_path
         self.env = env
-        self.multiple_events = allow_duplicate_events
-        self.delete = clear_variables
+        self.allow_duplicate_events_regex = allow_duplicate_events_regex
+        self.clear_variables = clear_variables
         if self.event_templates and self.file_path:
             raise ValueError("Can't pass both event_templates and file_path")
 
@@ -234,13 +234,15 @@ def execute(self, context: Context) -> None:
                 )
                 if len(actual_events) == 0:
                     raise ValueError(f"No event for key {key}")
-                if len(actual_events) != 1 and not self.multiple_events:
-                    raise ValueError(f"Expected one event for key {key}, got {len(actual_events)}")
+                if len(actual_events) != 1:
+                    regex = self.allow_duplicate_events_regex
+                    if regex is None or not re.fullmatch(regex, key):
+                        raise ValueError(f"Expected one event for key {key}, got {len(actual_events)}")
                 # Last event is checked against the template, this will allow to f.e. check change in try_num
                 if not match(template, json.loads(actual_events[-1]), self.env):
                     raise ValueError("Event received does not match one specified in test")
         finally:
-            if self.delete:
+            if self.clear_variables:
                 for key in self.event_templates:  # type: ignore[union-attr]
                     log.info("Removing variable `%s`", key)
                     Variable.delete(key=key)