diff --git a/libs/partners/groq/tests/unit_tests/test_chat_models.py b/libs/partners/groq/tests/unit_tests/test_chat_models.py
index fbec8424a37..1d7ec63c514 100644
--- a/libs/partners/groq/tests/unit_tests/test_chat_models.py
+++ b/libs/partners/groq/tests/unit_tests/test_chat_models.py
@@ -112,7 +112,7 @@ def test__convert_dict_to_message_tool_call() -> None:
                 name="GenerateUsername",
                 args="oops",
                 id="call_wm0JY6CdwOMZ4eTxHWUThDNz",
-                error="Function GenerateUsername arguments:\n\noops\n\nare not valid JSON. Received JSONDecodeError Expecting value: line 1 column 1 (char 0)\nFor troubleshooting, visit: https://python.langchain.com/docs/troubleshooting/errors/OUTPUT_PARSING_FAILURE",  # noqa: E501
+                error="Function GenerateUsername arguments:\n\noops\n\nare not valid JSON. Received JSONDecodeError Expecting value: line 1 column 1 (char 0)\nFor troubleshooting, visit: https://python.langchain.com/docs/troubleshooting/errors/OUTPUT_PARSING_FAILURE ",  # noqa: E501
                 type="invalid_tool_call",
             ),
         ],
diff --git a/libs/partners/mistralai/tests/unit_tests/test_chat_models.py b/libs/partners/mistralai/tests/unit_tests/test_chat_models.py
index 2c5c2305368..f90507c6877 100644
--- a/libs/partners/mistralai/tests/unit_tests/test_chat_models.py
+++ b/libs/partners/mistralai/tests/unit_tests/test_chat_models.py
@@ -212,7 +212,7 @@ def test__convert_dict_to_message_tool_call() -> None:
             InvalidToolCall(
                 name="GenerateUsername",
                 args="oops",
-                error="Function GenerateUsername arguments:\n\noops\n\nare not valid JSON. Received JSONDecodeError Expecting value: line 1 column 1 (char 0)\nFor troubleshooting, visit: https://python.langchain.com/docs/troubleshooting/errors/OUTPUT_PARSING_FAILURE",  # noqa: E501
+                error="Function GenerateUsername arguments:\n\noops\n\nare not valid JSON. Received JSONDecodeError Expecting value: line 1 column 1 (char 0)\nFor troubleshooting, visit: https://python.langchain.com/docs/troubleshooting/errors/OUTPUT_PARSING_FAILURE ",  # noqa: E501
                 id="ssAbar4Dr",
                 type="invalid_tool_call",
             ),
diff --git a/libs/partners/openai/tests/unit_tests/chat_models/test_base.py b/libs/partners/openai/tests/unit_tests/chat_models/test_base.py
index 4ea4da055db..b97819e2188 100644
--- a/libs/partners/openai/tests/unit_tests/chat_models/test_base.py
+++ b/libs/partners/openai/tests/unit_tests/chat_models/test_base.py
@@ -168,7 +168,7 @@ def test__convert_dict_to_message_tool_call() -> None:
                     "Function GenerateUsername arguments:\n\noops\n\nare not "
                     "valid JSON. Received JSONDecodeError Expecting value: line 1 "
                     "column 1 (char 0)\nFor troubleshooting, visit: https://python"
-                    ".langchain.com/docs/troubleshooting/errors/OUTPUT_PARSING_FAILURE"
+                    ".langchain.com/docs/troubleshooting/errors/OUTPUT_PARSING_FAILURE "
                 ),
                 type="invalid_tool_call",
             )