make-check-test failed on RHEL 8.0

Host: ec2-3-235-77-212.compute-1.amazonaws.com
Project: WiredTiger (develop)
Commit: diff: WT-7784 Enable RTS to use checkpoint snapshot on timestamp tables (#6752)

Usually, for timestamped tables, the commit/durable timestamp will be
always greater than the stable timestamp and there is no need of
checkpoint snapshot to abort unstable updates. Allowing it to use
checkpoint snapshot shouldn't be a problem unless the commit/durable
timestamp doesn't adhere to the condition that it must be less than the
stable timestamp. | 07 Jul 21 23:12 UTC
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