Spotted in:
https://github.com/coder/coder/actions/runs/3617075588/jobs/6095609319
https://github.com/coder/coder/actions/runs/3605941257/jobs/6076793161
https://github.com/coder/coder/actions/runs/3601341028/jobs/6067023763 a different root cause
https://github.com/coder/coder/actions/runs/3621911592/jobs/6105957495

In most cases, the test fails after a few seconds. I'm going to dig deeper as it seems to be a common root cause.