StringWithPostfixTest.testStringEmptyWithEmptyPrefixFail: String 'referenceA'() has postfix(). StringWithPostfixTest.testStringNonEmptyWithMatchingPrefixFailMessage: String 'referenceA'(okay) has postfix(ay). Extra info goes here. StringWithPostfixTest.testStringNonEmptyWithMatchingPrefixFail: String 'referenceA'(okay) has postfix(y). StringWithPostfixTest.testStringNonEmptyWithSelfPrefixFailMessage: String 'referenceA'(okay) has postfix(okay). Extra info goes here. StringWithPostfixTest.testStringNonEmptyWithEmptyPrefixFail: String 'referenceA'(okay) has postfix().