Thank you for filing.

I think another alternative is to have the method return bool, and have the test do the assert. This gives the advantage of them being able to use their own error message. It also give them the option to ignore cases where it fails (for example, waiting for a live page to load, which may not be done within timeout, though the page is ready for interaction and the test can assert something they expect to be there on the next line)

This issue has been Available for over a year. If it's no longer important or seems unlikely to be fixed, please consider closing it out. If it is important, please re-triage the issue.

Sorry for the inconvenience if the bug really should have been left as Available. If you change it back, also remove the "Hotlist-Recharge-Cold" label.

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Assigning to Menglu, since this would probably get triaged to her anyway.  Are you the owner of these EG cleanup bugs?