Repository: spark
Updated Branches:
refs/heads/branch-2.4 5cc2987db -> 3d2fce5a3
[SPARK-25899][TESTS] Fix flaky CoarseGrainedSchedulerBackendSuite
## What changes were proposed in this pull request?
I saw CoarseGrainedSchedulerBackendSuite failed in my PR and finally reproduced
the following
Repository: spark
Updated Branches:
refs/heads/master bc9f9b4d6 -> 6be3cce75
[SPARK-25899][TESTS] Fix flaky CoarseGrainedSchedulerBackendSuite
## What changes were proposed in this pull request?
I saw CoarseGrainedSchedulerBackendSuite failed in my PR and finally reproduced
the following err