Re: [PATCH v5 0/1] MR9719: mfmediaengine/tests: Test we receive a frame before calling Play.

[Brendan McGrath (＠redmcg)]

v4:
- create and use `compare_rgb32` helper function
- add test for `frame_ready_event` prior to SetSource call
- remove unnecessary comment
- rebase master

v5:
- replace hardcoded value for expected `DepthPitch` with calculated value

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https://gitlab.winehq.org/wine/wine/-/merge_requests/9719#note_127249