Import Array and Hash tests, and make == blank
match behaviour with AS
#1807
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When ActiveSupport isn't loaded,
[] == blank
is false, but when it is loaded, it (correctly?) matches the behaviour of[] == empty
.I think it's fair to say the intended behaviour is for == blank to match the behaviour of when AS is loaded, so let's just special-case this.
We also import a bunch of Array and Hash tests here.