def test_get_property_default(lambda_event):
    assert get_property(lambda_event, "MissingProperty",
                        "DEFAULT") == "DEFAULT"
def test_get_property_missing(lambda_event):
    with pytest.raises(ValueError):
        get_property(lambda_event, "MissingProperty")
def test_get_property_present(lambda_event):
    assert get_property(lambda_event, "StackName") == "StackName"