Build: Run Karma tests sequentially in separate processes + other improvements #455
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Sizzle hasn't been able to finish all its unit tests successfully for a long time. This PR attempts to make it work again (at least most of the time).
but does it sequentially in separate processes to avoid Karma bugs that cause
browsers from previous sets to somehow still be waited on during subsequent
runs, failing the build.
We can't upgrade Karma as the latest version (
4.2.0
) hangs in IE 7 (IE 8 seems to work fine there).Note: it's expected that tests fail on this PR when merged due to #454. I temporarily disabledEDIT: That issue is fixed now.oldFirefox
tests & pushed it to origin to see if it will succeed other than that and it did: https://travis-ci.org/jquery/sizzle/builds/574066624