merge_pr_58975

[focusgroup] Split behavior-tokens-comprehensive into per-token tests

behavior-tokens-comprehensive.html had many promise_tests doing
WebDriver round-trips via focusAndKeyPress(). On some CI bots this
exceeded the default WPT timeout, causing the flakiness.

This CL splits the file into individual tests under behavior-tokens/,
one per behavior token plus an overrides file. Each file has a few
tests, and should be well within the default timeout.

This CL also removes the TestExpectations timeout entry added by the
gardener in crrev.com/c/7702976.

Bug: 489128050, 4021071
Change-Id: If670207b6b5ee690ca92113d22f818140597efc9
Reviewed-on: https://un5x4n0kwa1t164zhzvdp2b4bu49r4r40ry9xdr.julianrbryant.com/c/chromium/src/+/7721920
Reviewed-by: Mason Freed masonf@chromium.org
Commit-Queue: Jacques Newman janewman@microsoft.com
Cr-Commit-Position: refs/heads/main@{#1609866}