* remove unused file
using syntax.js instead
* add a way to remove files that are generated from the tests
Essentially setting the restore cache contents to `null` as a special
value.
* combine the stdout and stderr output
* add jest-diff instead of relying on it existing *somewhere*
This also came with a small API change.
* add `--runInBand` to the test script
* add dedicated cli tests for the new Tailwind CLI
63a67cb8ef