Tests: Remove word 'test' from test names

[Andy Nowacki]

The name of each @testset does not need to include the word Test, since hopefully it is clear that a Test.Testset is a test. Consider removing it to make your test output clearer if there are any errors or failures.

[Charlotte Haley]

See commit which reduces the extra verbiage.

[Andy Nowacki]

Thanks—this can be closed.