update tests Auth Cache Core Module Locale

Could this be replaced with a phpunit style mock which would return the proper data? See: [getMockForAbstractClass()](http://phpunit.de/manual/4.1/en/test-doubles.html#test-doubles.mocking-traits-and-abstract-classes)

As it is, this class should fail any test as a CriteriaElement since it does not obey the described spec.