We should support test-wait in addition to reftest-wait. It's basically the same thing.
Pull request: https://github.com/WebKit/WebKit/pull/2405
Committed 252487@main (b4b50d4068c8): <https://commits.webkit.org/252487@main> Reviewed commits have been landed. Closing PR #2405 and removing active labels.
<rdar://problem/97050268>