OptionalThing<String> result = provider.determineAlias(Locale.ENGLISH);
        assertFalse(result.isPresent());

        result = provider.determineAlias(Locale.JAPANESE);
        assertFalse(result.isPresent());

        result = provider.determineAlias(Locale.GERMAN);
        assertFalse(result.isPresent());

        result = provider.determineAlias(null);
        assertFalse(result.isPresent());
    }