[test] Simplify usage of yarn mocha
#22899
Merged
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Just collects all
--exclude
patterns into.mocharc.js
. They don't do all that much at the moment but it reduces I/O a bit.The bulk of the startup is still due to
babel
. So if that's a problem something likeyarn cross-env NODE_ENV=test mocha '**/Autocomplete.test*'
is the "fastest" option.I experimented with a custom CLI in the past and will try to throw something together so that we have a better tool that acts like a "dumb jest-cli" and enables
yarn test Autocomplete.test