I found that using `mach wpt --headless --product chrome --binary /usr/local/chromium-browser` was smart enough to download chrome driver for the chromium snap, but hung trying to run. Then I installed the actually Chrome .deb downloaded from Google's chrome page; subsequently `./mach wpt --headless --product chrome` was sufficient and run properly. It seems like either Chromium should work, or there should be an error early indicating only real-Chrome works.
Bug 1753059 Comment 0 Edit History
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I found that using `mach wpt --headless --product chrome --binary /usr/bin/chromium-browser` was smart enough to download chrome driver for the chromium snap, but hung trying to run. Then I installed the actually Chrome .deb downloaded from Google's chrome page; subsequently `./mach wpt --headless --product chrome` was sufficient and run properly. It seems like either Chromium should work, or there should be an error early indicating only real-Chrome works.