Issue Title

[gordonwatts]

@pytest.mark.skipif(not run_long_running_tests, reason="Skipping long running test")
def test_global_enum_return_with_enum():
    """Run an actual return thing that will generate some output that we can
    examine on a test sample.
    """

    # Define the num class for future reference
    class JetConstitScale(Enum):
        UncalibratedJetConstituent = 0
        CalibratedJetConstituent = 1

    # Declare the enum class
    ctyp.define_enum("xAOD.Jet", "Color", ["Red", "Blue"])

    # Define the `getConstituentsSignalState` method

    # fmt: off
    # Add test compare to JetConstitScale.CalibraatedJetConstituent.Value in
    # a Where clause as a test of translating a global enum
    training_df = as_pandas(
        f_single.SelectMany(lambda e: e.Jets("AntiKt4EMTopoJets"))
        .Select(lambda j: j.getConstituentsSignalState())
    )
    # fmt: on

    assert len(training_df) > 0
    assert all(training_df.col1 == JetConstitScale.CalibratedJetConstituent.value)