diff --git a/libs/genai/tests/integration_tests/test_chat_models.py b/libs/genai/tests/integration_tests/test_chat_models.py
index 0a8d46dc..47685dd1 100644
--- a/libs/genai/tests/integration_tests/test_chat_models.py
+++ b/libs/genai/tests/integration_tests/test_chat_models.py
@@ -535,7 +535,8 @@ class MyModel(typing_extensions.TypedDict):
     ]
 
     response = llm.invoke(messages)
-    assert isinstance(response.content, list)
+    response_data = json.loads(response.content)
+    assert isinstance(response_data, list)
     assert len(response.content) > 1
     assert isinstance(response.content[0], MyModel)
     for item in response.content: