chaos(engine): enable chaos test in dataflow and add two tests.

[amyangfei]

What problem does this PR solve?

Issue Number: ref #5640

What is changed and how it works?

• Enable chaos test in CI. Run every night regularly.
• Add pod failure and pod kill cases.
• Cases have been verified in https://github.com/pingcap/tiflow/runs/6653519076?check_suite_focus=true, in this PR we schedule run with cron: '0 17-23 * * *' # run at minute 0 every hour from 01:00 ~ 07:00 UTC+8 only.
• Notify with feishu message if failure happens.

Check List

Tests

• Integration test

Questions

Will it cause performance regression or break compatibility?

Do you need to update user documentation, design documentation or monitoring documentation?

Release note

None

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• liuzix
• maxshuang

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[codecov-commenter]

Codecov Report

Merging #5641 (c471703) into master (fcea4d5) will increase coverage by 0.5714%.
The diff coverage is 57.7540%.

Flag	Coverage Δ
cdc	61.9953% <62.4318%> (+0.8472%)	⬆️
dm	52.0221% <29.5774%> (-0.0206%)	⬇️
engine	58.7121% <ø> (?)

Flags with carried forward coverage won't be shown. Click here to find out more.

@@               Coverage Diff                @@
##             master      #5641        +/-   ##
================================================
+ Coverage   56.0768%   56.6482%   +0.5714%     
================================================
  Files           535        675       +140     
  Lines         70143      78885      +8742     
================================================
+ Hits          39334      44687      +5353     
- Misses        27078      30002      +2924     
- Partials       3731       4196       +465     

[amyangfei]

/merge

[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: c471703

[ti-chi-bot]

@amyangfei: Your PR was out of date, I have automatically updated it for you.

At the same time I will also trigger all tests for you:

/run-all-tests

If the CI test fails, you just re-trigger the test that failed and the bot will merge the PR for you after the CI passes.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the ti-community-infra/tichi repository.

[amyangfei]

/run-verify

[amyangfei]

/run-verify