code: def test_system_environment_context_in_context(monkeypatch):
      monkeypatch.setenv("MLFLOW_RUN_CONTEXT", '{"A": "B"}')
      assert SystemEnvironmentContext().in_context()
      monkeypatch.delenv("MLFLOW_RUN_CONTEXT", raising=True)
      assert not SystemEnvironmentContext().in_context()
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_system_environment_context_in_context(monkeypatch) without return types