Successful run, it took 80 minutes:
https://ci.chromium.org/p/chromeos/builders/luci.chromeos.general/CQ/b8931602729375295472
check the timestamps in the log of that stage: https://luci-logdog.appspot.com/logs/chromeos/buildbucket/cr-buildbucket.appspot.com/8931602729375295472/+/steps/VMTest__attempt_1_/0/stdout


Here, first attempt timed out after 90 minutes:
https://ci.chromium.org/p/chromeos/builders/luci.chromeos.general/CQ/b8931574423642871680
Check the logs, it actually failed:
https://logs.chromium.org/logs/chromeos/buildbucket/cr-buildbucket.appspot.com/8931574423642871680/+/steps/VMTest__attempt_1_/0/stdout


VMTests apparently take < 60 minutes on betty-paladin, maybe something specific ARC++ P makes the tests take longer?

Assigning to sheriffs for triage.