unit-test failed on ~ Ubuntu 18.04 zSeries

Host: ubuntu1804-z-9.dallasisv.build.10gen.cc
Project: WiredTiger (develop)
Commit: diff: WT-7989 Compact quits when running at the same time as a system checkpoint (#6961)

• Use condition variable to reproduce compact issue.

• Removed some commented out code.

• Removed the new condition variable from WT code base.

• Reduced number of records. 1M is enough to reproduce the issue.

• Merged two tests together - with stress flag and with condition variable.

• Added comment.

• Renamed compact_checkpoint folder to wt7989_compact_checkpoint

• Addressed some comments.

• 1. Addressed remaining comments. 2. Added the test to evergreen. 3. Fixed issue when the test doesn't fail with condition variables.

• Addressed comments.

• Applied s_all changes.

• Added time out to __wt_cond_wait_signal.

• Addressed comments.

• Reformatted multiline comments. | 07 Sep 21 04:12 UTC
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