diff --git a/tests/datascience-notebook/test_pluto_datascience.py b/tests/datascience-notebook/test_pluto_datascience.py
new file mode 100644
index 0000000000..27c4aaf0d3
--- /dev/null
+++ b/tests/datascience-notebook/test_pluto_datascience.py
@@ -0,0 +1,13 @@
+# Copyright (c) Jupyter Development Team.
+# Distributed under the terms of the Modified BSD License.
+import requests
+
+from tests.conftest import TrackedContainer
+from tests.pluto_check import check_pluto_proxy
+
+
+def test_pluto_proxy(
+    container: TrackedContainer, http_client: requests.Session
+) -> None:
+    """Pluto proxy starts Pluto correctly"""
+    check_pluto_proxy(container, http_client)
diff --git a/tests/julia-notebook/test_pluto.py b/tests/julia-notebook/test_pluto.py
index a0d59b398e..27c4aaf0d3 100644
--- a/tests/julia-notebook/test_pluto.py
+++ b/tests/julia-notebook/test_pluto.py
@@ -1,32 +1,13 @@
-import logging
-import secrets
-import time
-
+# Copyright (c) Jupyter Development Team.
+# Distributed under the terms of the Modified BSD License.
 import requests
 
-from tests.conftest import TrackedContainer, find_free_port
-
-LOGGER = logging.getLogger(__name__)
+from tests.conftest import TrackedContainer
+from tests.pluto_check import check_pluto_proxy
 
 
 def test_pluto_proxy(
     container: TrackedContainer, http_client: requests.Session
 ) -> None:
     """Pluto proxy starts Pluto correctly"""
-    host_port = find_free_port()
-    token = secrets.token_hex()
-    container.run_detached(
-        command=[
-            "start.sh",
-            "jupyter",
-            "lab",
-            "--port=8888",
-            f"--LabApp.token={token}",
-        ],
-        ports={"8888/tcp": host_port},
-    )
-    # Give the server a bit of time to start
-    time.sleep(3)
-    resp = http_client.get(f"http://localhost:{host_port}/pluto?token={token}")
-    resp.raise_for_status()
-    assert "Pluto.jl notebooks" in resp.text, "Pluto.jl text not found in /pluto page"
+    check_pluto_proxy(container, http_client)
diff --git a/tests/datascience-notebook/test_julia_starts.py b/tests/pluto_check.py
similarity index 86%
rename from tests/datascience-notebook/test_julia_starts.py
rename to tests/pluto_check.py
index a0d59b398e..8a39509c8c 100644
--- a/tests/datascience-notebook/test_julia_starts.py
+++ b/tests/pluto_check.py
@@ -1,3 +1,5 @@
+# Copyright (c) Jupyter Development Team.
+# Distributed under the terms of the Modified BSD License.
 import logging
 import secrets
 import time
@@ -9,10 +11,9 @@
 LOGGER = logging.getLogger(__name__)
 
 
-def test_pluto_proxy(
+def check_pluto_proxy(
     container: TrackedContainer, http_client: requests.Session
 ) -> None:
-    """Pluto proxy starts Pluto correctly"""
     host_port = find_free_port()
     token = secrets.token_hex()
     container.run_detached(