def METHOD_NAME(self):
    self._test_upsert_m2ee_config_equals(
        {"key1": "value1", "key2": "value2"},
        {"key2": "value2a", "key3": "value3"},
        {"key1": "value1", "key2": "value2a", "key3": "value3"},
        overwrite=True,
        append=True,
    )