enum の Array の比較だとこういう感じです

✘ Test "html5lib-tests" recorded an issue with 1 argument testCase → Truncated doctype start at HTML5LibTests.swift:44:5: Expectation failed: (tokenizer.sink.tokens → [Tokenizer.Token.comment(["!", "D", "O", "C"]), Tokenizer.Token.eof]) == (testCase.tokens → [Tokenizer.Token.comment(["D", "O", "C"]), Tokenizer.Token.eof]) ± inserted [Tokenizer.Token.comment(["!", "D", "O", "C"])], removed [Tokenizer.Token.comment(["D", "O", "C"])]