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Collect Selenium results for beta browsers #951

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@Elchi3 Elchi3 commented Dec 13, 2023

I've been manually collecting results on beta browsers but ideally we want to collect results automatically. I think this PR should do that.
This will help to reduce manual BCD PRs that people usually submit during the beta phase of browsers. See also https://github.com/mdn/community-meetings/blob/main/23-12-11/minutes.md#bcd where Ruth asked about this.

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Elchi3 commented May 31, 2024

In Beta browsers there are sometimes A/B tests which can skew the test results.

For Chrome, I found https://chromium.googlesource.com/chromium-variations/ and so open -a Google\ Chrome\ Beta --args --fake-variations-channel=stable should hopefully disable the variation and make Beta act like a stable browser release. Is it somehow possible to tell Selenium to launch Chrome beta with --fake-variations-channel=stable?
(mdn/browser-compat-data#23207 (comment))

For Firefox, something similar exists, but I haven't done the research yet how to prevent it from happening there.

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