diff --git a/tests/unit/vertexai/genai/replays/test_create_agent_engine.py b/tests/unit/vertexai/genai/replays/test_create_agent_engine.py
index 103b0df19d..e3181a9ce7 100644
--- a/tests/unit/vertexai/genai/replays/test_create_agent_engine.py
+++ b/tests/unit/vertexai/genai/replays/test_create_agent_engine.py
@@ -170,43 +170,6 @@ def test_create_with_identity_type(client):
     client.agent_engines.delete(name=agent_engine.api_resource.name, force=True)
 
 
-def test_create_with_developer_connect_source(client):
-    """Tests creating an agent engine with developer connect source."""
-    developer_connect_source_config = types.ReasoningEngineSpecSourceCodeSpecDeveloperConnectConfig(
-        git_repository_link="projects/reasoning-engine-test-1/locations/europe-west3/connections/shawn-develop-connect/gitRepositoryLinks/shawn-yang-google-adk-samples",
-        revision="main",
-        dir="test",
-    )
-    agent_engine = client.agent_engines.create(
-        config={
-            "display_name": "test-agent-engine-dev-connect",
-            "developer_connect_source": developer_connect_source_config,
-            "entrypoint_module": "my_agent",
-            "entrypoint_object": "agent",
-            "class_methods": _TEST_CLASS_METHODS,
-            "http_options": {
-                "base_url": "https://europe-west3-aiplatform.googleapis.com",
-                "api_version": "v1beta1",
-            },
-        },
-    )
-    assert agent_engine.api_resource.display_name == "test-agent-engine-dev-connect"
-    assert (
-        agent_engine.api_resource.spec.source_code_spec.developer_connect_source.config.git_repository_link
-        == developer_connect_source_config.git_repository_link
-    )
-    assert (
-        agent_engine.api_resource.spec.source_code_spec.developer_connect_source.config.revision
-        == developer_connect_source_config.revision
-    )
-    assert (
-        agent_engine.api_resource.spec.source_code_spec.developer_connect_source.config.dir
-        == developer_connect_source_config.dir
-    )
-    # Clean up resources.
-    client.agent_engines.delete(name=agent_engine.api_resource.name, force=True)
-
-
 pytestmark = pytest_helper.setup(
     file=__file__,
     globals_for_file=globals(),
diff --git a/tests/unit/vertexai/genai/replays/test_create_agent_engine_developer_connect.py b/tests/unit/vertexai/genai/replays/test_create_agent_engine_developer_connect.py
new file mode 100644
index 0000000000..ab6f7af4cf
--- /dev/null
+++ b/tests/unit/vertexai/genai/replays/test_create_agent_engine_developer_connect.py
@@ -0,0 +1,66 @@
+# Copyright 2025 Google LLC
+#
+# Licensed 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.
+#
+# pylint: disable=protected-access,bad-continuation,missing-function-docstring
+
+from tests.unit.vertexai.genai.replays import pytest_helper
+from vertexai._genai import types
+
+_TEST_CLASS_METHODS = [
+    {"name": "query", "api_mode": ""},
+]
+
+
+def test_create_with_developer_connect_source(client):
+    """Tests creating an agent engine with developer connect source."""
+    developer_connect_source_config = types.ReasoningEngineSpecSourceCodeSpecDeveloperConnectConfig(
+        git_repository_link="projects/reasoning-engine-test-1/locations/europe-west3/connections/shawn-develop-connect/gitRepositoryLinks/shawn-yang-google-adk-samples",
+        revision="main",
+        dir="test",
+    )
+    agent_engine = client.agent_engines.create(
+        config={
+            "display_name": "test-agent-engine-dev-connect",
+            "developer_connect_source": developer_connect_source_config,
+            "entrypoint_module": "my_agent",
+            "entrypoint_object": "agent",
+            "class_methods": _TEST_CLASS_METHODS,
+            "http_options": {
+                "base_url": "https://europe-west3-aiplatform.googleapis.com",
+                "api_version": "v1beta1",
+            },
+        },
+    )
+    assert agent_engine.api_resource.display_name == "test-agent-engine-dev-connect"
+    assert (
+        agent_engine.api_resource.spec.source_code_spec.developer_connect_source.config.git_repository_link
+        == developer_connect_source_config.git_repository_link
+    )
+    assert (
+        agent_engine.api_resource.spec.source_code_spec.developer_connect_source.config.revision
+        == developer_connect_source_config.revision
+    )
+    assert (
+        agent_engine.api_resource.spec.source_code_spec.developer_connect_source.config.dir
+        == developer_connect_source_config.dir
+    )
+    # Clean up resources.
+    client.agent_engines.delete(name=agent_engine.api_resource.name, force=True)
+
+
+pytestmark = pytest_helper.setup(
+    file=__file__,
+    globals_for_file=globals(),
+    test_method="agent_engines.create",
+)