Ensure all elements of arrays are verified for uniqueness#875

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Julian merged 2 commits intopython-jsonschema:mainfrom

DrGFreeman:866-unique-items-more-than-two

Nov 4, 2021

Commits on Nov 3, 2021

Revert "Temporarily skip the failing tests from #866."
DrGFreeman
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Commits on Nov 4, 2021

Ensure all items of array are checked for uniqueness
DrGFreeman
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