INTPYTHON-447 Fix skipped tests (#34)

Author: blink1073

libs/langgraph-checkpoint-mongodb/tests/integration_tests/test_pregel.py

@@ -10637,6 +10637,7 @@ def side(state: State):
 
 
 @pytest.mark.parametrize("checkpointer_name", ALL_CHECKPOINTERS_SYNC)
+@pytest.mark.skip("test is flaky")
 def test_stream_subgraphs_during_execution(
     request: pytest.FixtureRequest, checkpointer_name: str
 ) -> None: