* [test/common] adding code coverage plugin
* start plugin only when CODE_COVERAGE flag is set
* build coverage plugin
* replace casting with custom Window interface
* Revert "temporarily disable firefox functional tests in PRs (#71116)"
This reverts commit 54bd07f81b.
* Revert "[savedObjects field count] run in baseline job (#70999)"
This reverts commit 53ee7a762d.
* Revert "[CI] Add pipeline task queue framework and merge workers into one (#64011)"
This reverts commit 465ed21194.
* Revert revert of change to jenkins_xpack_visual_regression.sh
Co-authored-by: spalger <spalger@users.noreply.github.com>