diff --git a/airbyte-integrations/connectors/source-mongodb-strict-encrypt/src/test-integration/java/io/airbyte/integrations/source/mongodb/MongodbSourceStrictEncryptAcceptanceTest.java b/airbyte-integrations/connectors/source-mongodb-strict-encrypt/src/test-integration/java/io/airbyte/integrations/source/mongodb/MongodbSourceStrictEncryptAcceptanceTest.java
index 062c075dc988..1db72334d105 100644
--- a/airbyte-integrations/connectors/source-mongodb-strict-encrypt/src/test-integration/java/io/airbyte/integrations/source/mongodb/MongodbSourceStrictEncryptAcceptanceTest.java
+++ b/airbyte-integrations/connectors/source-mongodb-strict-encrypt/src/test-integration/java/io/airbyte/integrations/source/mongodb/MongodbSourceStrictEncryptAcceptanceTest.java
@@ -66,28 +66,14 @@ protected void setupEnvironment(final TestDestinationEnv environment) throws Exc
               + ". Override by setting setting path with the CREDENTIALS_PATH constant.");
     }
 
-    final String credentialsJsonString = Files.readString(CREDENTIALS_PATH);
-    final JsonNode credentialsJson = Jsons.deserialize(credentialsJsonString);
-
-    final JsonNode instanceConfig = Jsons.jsonNode(ImmutableMap.builder()
-        .put("instance", MongoInstanceType.ATLAS.getType())
-        .put("cluster_url", credentialsJson.get("cluster_url").asText())
-        .build());
-
-    config = Jsons.jsonNode(ImmutableMap.builder()
-        .put("user", credentialsJson.get("user").asText())
-        .put(JdbcUtils.PASSWORD_KEY, credentialsJson.get(JdbcUtils.PASSWORD_KEY).asText())
-        .put(INSTANCE_TYPE, instanceConfig)
-        .put(JdbcUtils.DATABASE_KEY, DATABASE_NAME)
-        .put("auth_source", "admin")
-        .build());
-
-    final var credentials = String.format("%s:%s@", config.get("user").asText(),
-        config.get(JdbcUtils.PASSWORD_KEY).asText());
-    final String connectionString = String.format("mongodb+srv://%s%s/%s?retryWrites=true&w=majority&tls=true",
-        credentials,
-        config.get(INSTANCE_TYPE).get("cluster_url").asText(),
-        config.get(JdbcUtils.DATABASE_KEY).asText());
+    config = Jsons.deserialize(Files.readString(CREDENTIALS_PATH));
+    ((ObjectNode) config).put(JdbcUtils.DATABASE_KEY, DATABASE_NAME);
+
+    final String connectionString = String.format("mongodb+srv://%s:%s@%s/%s?authSource=admin&retryWrites=true&w=majority&tls=true",
+            config.get("user").asText(),
+            config.get(JdbcUtils.PASSWORD_KEY).asText(),
+            config.get("instance_type").get("cluster_url").asText(),
+            config.get(JdbcUtils.DATABASE_KEY).asText());
 
     database = new MongoDatabase(connectionString, DATABASE_NAME);
 
diff --git a/airbyte-integrations/connectors/source-mongodb-strict-encrypt/src/test-integration/resources/expected_spec.json b/airbyte-integrations/connectors/source-mongodb-strict-encrypt/src/test-integration/resources/expected_spec.json
index 2b5821b4f975..48be1e68bb2f 100644
--- a/airbyte-integrations/connectors/source-mongodb-strict-encrypt/src/test-integration/resources/expected_spec.json
+++ b/airbyte-integrations/connectors/source-mongodb-strict-encrypt/src/test-integration/resources/expected_spec.json
@@ -20,8 +20,7 @@
             "properties": {
               "instance": {
                 "type": "string",
-                "enum": ["standalone"],
-                "default": "standalone"
+                "const": "standalone"
               },
               "host": {
                 "title": "Host",
@@ -47,8 +46,7 @@
             "properties": {
               "instance": {
                 "type": "string",
-                "enum": ["replica"],
-                "default": "replica"
+                "const": "replica"
               },
               "server_addresses": {
                 "title": "Server Addresses",
@@ -67,13 +65,12 @@
           },
           {
             "title": "MongoDB Atlas",
-            "additionalProperties": false,
+            "additionalProperties": true,
             "required": ["instance", "cluster_url"],
             "properties": {
               "instance": {
                 "type": "string",
-                "enum": ["atlas"],
-                "default": "atlas"
+                "const": "atlas"
               },
               "cluster_url": {
                 "title": "Cluster URL",
diff --git a/airbyte-integrations/connectors/source-mongodb-v2/src/test-integration/java/io/airbyte/integrations/io/airbyte/integration_tests/sources/MongoDbSourceAtlasAcceptanceTest.java b/airbyte-integrations/connectors/source-mongodb-v2/src/test-integration/java/io/airbyte/integrations/io/airbyte/integration_tests/sources/MongoDbSourceAtlasAcceptanceTest.java
index 3ff135af8310..b421f3f57eab 100644
--- a/airbyte-integrations/connectors/source-mongodb-v2/src/test-integration/java/io/airbyte/integrations/io/airbyte/integration_tests/sources/MongoDbSourceAtlasAcceptanceTest.java
+++ b/airbyte-integrations/connectors/source-mongodb-v2/src/test-integration/java/io/airbyte/integrations/io/airbyte/integration_tests/sources/MongoDbSourceAtlasAcceptanceTest.java
@@ -62,21 +62,8 @@ protected void setupEnvironment(final TestDestinationEnv environment) throws Exc
               + ". Override by setting setting path with the CREDENTIALS_PATH constant.");
     }
 
-    final String credentialsJsonString = Files.readString(CREDENTIALS_PATH);
-    final JsonNode credentialsJson = Jsons.deserialize(credentialsJsonString);
-
-    final JsonNode instanceConfig = Jsons.jsonNode(ImmutableMap.builder()
-        .put("instance", ATLAS.getType())
-        .put("cluster_url", credentialsJson.get("cluster_url").asText())
-        .build());
-
-    config = Jsons.jsonNode(ImmutableMap.builder()
-        .put("user", credentialsJson.get("user").asText())
-        .put(JdbcUtils.PASSWORD_KEY, credentialsJson.get(JdbcUtils.PASSWORD_KEY).asText())
-        .put("instance_type", instanceConfig)
-        .put(JdbcUtils.DATABASE_KEY, DATABASE_NAME)
-        .put("auth_source", "admin")
-        .build());
+    config = Jsons.deserialize(Files.readString(CREDENTIALS_PATH));
+    ((ObjectNode) config).put(JdbcUtils.DATABASE_KEY, DATABASE_NAME);
 
     final String connectionString = String.format("mongodb+srv://%s:%s@%s/%s?authSource=admin&retryWrites=true&w=majority&tls=true",
         config.get("user").asText(),
@@ -84,7 +71,7 @@ protected void setupEnvironment(final TestDestinationEnv environment) throws Exc
         config.get("instance_type").get("cluster_url").asText(),
         config.get(JdbcUtils.DATABASE_KEY).asText());
 
-    database = new MongoDatabase(connectionString, DATABASE_NAME);
+    database = new MongoDatabase(connectionString, config.get(JdbcUtils.DATABASE_KEY).asText());
 
     final MongoCollection<Document> collection = database.createCollection(COLLECTION_NAME);
     final var objectDocument = new Document("testObject", new Document("name", "subName").append("testField1", "testField1").append("testInt", 10)
@@ -134,11 +121,11 @@ public void testCheckIncorrectPassword() throws Exception {
 
   @Test
   public void testCheckIncorrectCluster() throws Exception {
-    ((ObjectNode) config).with("instance_type")
-        .put("cluster_url", "cluster0.iqgf8.mongodb.netfail");
+    final String badClusterUrl = "cluster0.iqgf8.mongodb.netfail";
+    config.withObject("/instance_type").put("cluster_url", badClusterUrl);
     final AirbyteConnectionStatus status = new MongoDbSource().check(config);
     assertEquals(AirbyteConnectionStatus.Status.FAILED, status.getStatus());
-    assertTrue(status.getMessage().contains("State code: -4"));
+    assertTrue(status.getMessage().matches("State code: -\\d+.*"));
   }
 
   @Test