Autograder test name bug

[mjmay-kinneret]

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When I create a new test in GitHub Classroom autograder, the test's name is entity encoded, creating a jumble of characters in the name. Characters such as ;,()<>-/ get entity encoded, messing up the test name. If I edit the test after it's created, the entity encoding then gets re-entity encoded, causing its name to expand each time I enter the test definition.
This is highly annoying and was not happening last year.