Fix data race in x11 forwarding test #50997
Merged
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This PR applies the same fix from #48045 and #50852 to
TextX11Forward
. It doesn't seem to be the cause of any open test flake issues, yet.Update: I haven't been able to reproduce any
TestX11Forward
flakes outside of this race issue, so I'm going to tentatively close this flaky test issue with this PR.Closes #48288