TestRegionLabelDenyScheduler is flaky

[okJiang]

Flaky Test

Which jobs are failing

TestRegionLabelDenyScheduler

CI link

https://do.pingcap.net/jenkins/blue/organizations/jenkins/tikv%2Fpd%2Fpull_integration_realcluster_test/detail/pull_integration_realcluster_test/130/pipeline

Reason for failure (if possible)

grant_leader scheduler did not grant all regions except one denied region.

Following is the scheduled region id.

evict_leader.log

grant_leader.log

grant_leader scheduler does not schedule region(26, 94)

comm -3 <(sort evict_leader.log) <(sort grant_leader.log)
26
94

Anything else