code: def test_mlmd_execution_absent(self):
      with self._mlmd_connection as m:
          with self.assertRaisesRegex(
              ValueError, "Execution not found for execution id"
          ):
              with mlmd_state.mlmd_execution_atomic_op(m, 1):
                  pass
  
imports: from concurrent import futures
  import os
  import threading
  import tensorflow
  from tfx.orchestration import metadata
  from tfx.orchestration.experimental.core import mlmd_state
  from tfx.orchestration.experimental.core import test_utils
  from ml_metadata.proto import metadata_store_pb2
label_desc: Use image node_id 3 for calling the MlmdStateTest obj's underlying member method code with example usage: obj.test_mlmd_execution_absent() without return types