Update tests/utils/test_telemetry.py

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

Author: HelloJowet

tests/utils/test_telemetry.py

@@ -42,7 +42,7 @@ def foo(x, y):
     mock_span.record_exception.assert_not_called()
 
 
-def test_trace_function_sync_exception(mock_span: mock.MagicMock):
+def test_trace_function_sync_exception(mock_span: mock.MagicMock) -> None:
     @trace_function
     def bar() -> NoReturn:
         raise ValueError('fail')