test: Add tests case when deltaMergeBySplit + { flushCache | split } occurs simultaneously (#5454)

[ti-chi-bot]

This is an automated cherry-pick of #5454

What problem does this PR solve?

Issue Number: ref #5409

Problem Summary: For now we lack some tests to test the behavior when multiple operations occurred at the same time.

What is changed and how it works?

1. Introduced a new facility called SyncPoint, which can be used to control the arbitrary business logical flow to suspend and continue.

2. Added or modified existing ManualCompaction tests based on the new SyncPoint:

   • Modified: BasicManualCompactTest/DuplicatedLogicalId

     Previously this test uses sleep(500ms) to expect specific code logic is finished. Now this sleep is substituted with SyncPoint, so that expected code logic is always finished and the test can continue without waiting for useless time.

   • Added: DeltaMergeStoreMergeDeltaBySegmentTest/RetryByFlushCache

   • Added: DeltaMergeStoreMergeDeltaBySegmentTest/RetryBySplit

     The two new cases above tests whether everything works fine when there are mergeDeltaBySplit and flushCache (or split) happening simultaneously, based on the SyncPoint.

3. Added more guards in gtest_main:

   • Failures are now turned into exceptions by default, so that when writing ASSERT in sub-functions it will break the test immediately. This is particularly useful in SyncPoint tests, as when there are failures in previous sync point steps, it is very likely that the rest step will not work as expected, result in infinite wait. By turning into exceptions, we these test cases fail fast.

   • Added stack output when the program is unexpected terminated in fault signals like SIG_ABORT (and also std::terminate). This helps locate the code of triggering these faults.

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No code

Side effects

• Performance regression: Consumes more CPU
• Performance regression: Consumes more Memory
• Breaking backward compatibility

Documentation

• Affects user behaviors
• Contains syntax changes
• Contains variable changes
• Contains experimental features
• Changes MySQL compatibility

Release note

None

[ti-chi-bot]

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