Dean Herbert d31c9db08b Adjust testing methodology to improve reliability of mosue wheel volume adjust tests
There was previously a potential in headless runs for timing
discrepancies to cause the volume to never get adjusted.

As seen at https://github.com/peppy/osu/runs/4604610951?check_suite_focus=true.
2021-12-23 13:25:24 +09:00
..
2021-12-21 08:26:21 +01:00
2021-08-03 15:02:18 +03:00
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