diff --git a/tests/unit_tests/client/test_runner_utils.py b/tests/unit_tests/client/test_runner_utils.py
index 4487657e3b215..2c0ccd4403376 100644
--- a/tests/unit_tests/client/test_runner_utils.py
+++ b/tests/unit_tests/client/test_runner_utils.py
@@ -176,12 +176,17 @@ async def mock_arun_chain(
             {"result": f"Result for example {example.id}"} for _ in range(n_repetitions)
         ]
 
+    def mock_create_session(*args: Any, **kwargs: Any) -> None:
+        pass
+
     with mock.patch.object(
         LangChainPlusClient, "read_dataset", new=mock_read_dataset
     ), mock.patch.object(
         LangChainPlusClient, "list_examples", new=mock_list_examples
     ), mock.patch(
         "langchain.client.runner_utils._arun_llm_or_chain", new=mock_arun_chain
+    ), mock.patch.object(
+        LangChainPlusClient, "create_session", new=mock_create_session
     ):
         client = LangChainPlusClient(api_url="http://localhost:1984", api_key="123")
         chain = mock.MagicMock()