ttl,partition: Stabilize test TestReorgPartExtensivePart

[mjonss]

The tests makes direct changes to table.Meta, which is later read by TTL. Fixed by disable TTL and not trigger the TTL loop when disabled.

What problem does this PR solve?

Issue Number: close #51845

Problem Summary:

What changed and how does it work?

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
  Ran this on both a linux and a macOs box without issues.

(cd pkg/table/tables/test/partition ; go test -v -tags intest -race -run TestReorgPartExtensivePart -failfast -count 1000 -timeout 90m)

• No need to test

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

Please refer to Release Notes Language Style Guide to write a quality release note.

None

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 55.3057%. Comparing base (600b2ed) to head (0aeedfb).
Report is 79 commits behind head on master.

Additional details and impacted files

@@                Coverage Diff                @@
##             master     #53017         +/-   ##
=================================================
- Coverage   72.0365%   55.3057%   -16.7309%     
=================================================
  Files          1499       1614        +115     
  Lines        431224     600894     +169670     
=================================================
+ Hits         310639     332329      +21690     
- Misses       101303     245704     +144401     
- Partials      19282      22861       +3579     

Flag	Coverage Δ
integration	36.4573% <100.0000%> (?)
unit	71.2182% <100.0000%> (-0.0290%)	⬇️

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Components	Coverage Δ
dumpling	53.9957% <ø> (ø)
parser	∅ <ø> (∅)
br	46.6317% <ø> (+8.2670%)	⬆️

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[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: hawkingrei
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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-05-15 04:03:11.291064853 +0000 UTC m=+1625945.048200438: ☑️ agreed by hawkingrei.

[lcwangchao]

This line will make some logic changes. How about just stopping ttl manager in the tests? See:

tidb/pkg/ttl/ttlworker/job_manager_integration_test.go

Lines 823 to 828 in 6aef624

	store, dom := testkit.CreateMockStoreAndDomain(t)
	tk := testkit.NewTestKit(t, store)
	// stop TTLJobManager to avoid unnecessary job schedule and make test stable
	dom.TTLJobManager().Stop()
	require.NoError(t, dom.TTLJobManager().WaitStopped(context.Background(), time.Minute))