01fcdfcf5f
* Revert "[skip ci] Revert "[ci] Default to n=2 for test parallelism (#12376)" (#12413)"
This reverts commit 478b672f2b.
* [ci] Default to n=2 for test parallelism
This is attempt #2 of #12376 which was reverted in #12413. The changes
in `plugin.py` should keep all the tests on the same node so sporadic
failures don't happen due to scheduling.
Co-authored-by: driazati <driazati@users.noreply.github.com>