Pass -T Flag when Running Playback Tests From Source in CI #19633
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This PR adds passing of the
-T
, parallel build, flag when the From Source playback tests in CI. Passing this flag allows for better usage of VM resources for libraries that currently don't have parallel testing enabled.Initially, it was prototyped to pass this in all test runs but it was found to slow down completion time when parallel testing was enabled (likely due to thread contention). As more libraries enable parallel testing this configuration should be monitored to ensure it is adding a net benefit for reducing testing time in CI.