test(ticdc): fix log suffix in run_cdc_server script

[amyangfei]

What problem does this PR solve?

Issue Number: close #5637

What is changed and how it works?

Use correct log suffix variable

Check List

Tests

• Unit test
• 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:

• lance6716
• overvenus

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[amyangfei]

/run-check-issue-triage

[amyangfei]

/run-all-tests

[overvenus]

/merge

[ti-chi-bot]

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

Commit hash: eac008f

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@amyangfei: Your PR was out of date, I have automatically updated it for you.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

[codecov-commenter]

Codecov Report

Merging #5638 (829015f) into master (fcea4d5) will increase coverage by 0.3206%.
The diff coverage is 59.6633%.

Flag	Coverage Δ
cdc	61.9714% <62.3731%> (+0.8233%)	⬆️
dm	52.0744% <48.9164%> (+0.0317%)	⬆️

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

@@               Coverage Diff                @@
##             master      #5638        +/-   ##
================================================
+ Coverage   56.0768%   56.3974%   +0.3206%     
================================================
  Files           535        526         -9     
  Lines         70143      69629       -514     
================================================
- Hits          39334      39269        -65     
+ Misses        27078      26629       -449     
  Partials       3731       3731                

[ti-chi-bot]

In response to a cherrypick label: new pull request created: #5642.