def test_validate_remove_missing_missing(self):
        # Test
        config = PluginCallConfiguration({}, {})
        result, msg = configuration._validate_remove_missing(config)

        # Verify
        self.assertTrue(result)
        self.assertTrue(msg is None)
    def test_validate_remove_missing(self):
        # Test
        config = PluginCallConfiguration({constants.CONFIG_REMOVE_MISSING: 'true'}, {})
        result, msg = configuration._validate_remove_missing(config)

        # Verify
        self.assertTrue(result)
        self.assertTrue(msg is None)