StringWithSubstringTest.testStringNonEmptyWithEmptySubstringFail: String 'referenceA'(okay) has substring(). StringWithSubstringTest.testStringNonEmptyWithMatchingPostfixFail: String 'referenceA'(okay) has substring(ay). StringWithSubstringTest.testStringNonEmptyWithSelfSubstringFailMessage: String 'referenceA'(okay) has substring(okay). Extra info goes here. StringWithSubstringTest.testStringNonEmptyWithMatchingSubstringFailMessage: String 'referenceA'(okay) has substring(ka). Extra info goes here. StringWithSubstringTest.testStringEmptyWithEmptySubstringFail: String 'referenceA'() has substring(). StringWithSubstringTest.testStringNonEmptyWithMatchingPrefixFail: String 'referenceA'(okay) has substring(ok).