here is a try push: https://treeherder.mozilla.org/jobs?repo=try&group_state=expanded&tier=1%2C2%2C3&revision=aca12d2de75f1fb0eb25432358e5518a8e7f812d most of the bc failures fall into: https://bugzilla.mozilla.org/show_bug.cgi?id=1742167 I only tested bc to see if there were issues removing the `ba` tests from there. Differential Revision: https://phabricator.services.mozilla.com/D138571
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