Clean up mock tests
assertThat() renamed to assert_that()
Clean up services
testMatchingAnObjectWithItselfAlwaysMatches
testComparingObjectsWithDifferentPropertiesAreNotEqual
testComparisonsAreNotExact
testComparingTheSameValuesEqualsTrue
testComparingDifferentValuesReturnsFalse
testDoesNotMatchStrictly
Remove Comparer and ToStringConverter
testArrayIsUniqueIfItContainsZeroElements
testArrayIsNotUniqueIfAnyElementsAppearMoreThanOnce
IsNotUnique