client: wait handleResourceTokenDispatcher exit

[CabinfeverB]

What problem does this PR solve?

Issue Number: Close #6613

What is changed and how does it work?

Check List

Tests

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

Code changes

• Has the configuration change
• Has HTTP API interfaces changed (Don't forget to add the declarative for the new API)
• Has persistent data change

Side effects

• Possible performance regression
• Increased code complexity
• Breaking backward compatibility

Related changes

• PR to update pingcap/docs/pingcap/docs-cn:
• PR to update pingcap/tiup:
• Need to cherry-pick to the release branch

Release note

None.

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• HuSharp
• rleungx

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[HuSharp]

Is it better to add a log at case <-dispatcherCtx.Done(): to indicate the exit

[nolouch]

cc @CabinfeverB

[codecov]

Codecov Report

Merging #6992 (3252da4) into master (c1d03ee) will increase coverage by 0.09%.
Report is 10 commits behind head on master.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #6992      +/-   ##
==========================================
+ Coverage   74.20%   74.30%   +0.09%     
==========================================
  Files         433      433              
  Lines       46083    46102      +19     
==========================================
+ Hits        34196    34254      +58     
+ Misses       8868     8841      -27     
+ Partials     3019     3007      -12     

Flag	Coverage Δ
unittests	74.30% <100.00%> (+0.09%)	⬆️

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

[HuSharp]

LGTM!

[CabinfeverB]

/merge

[ti-chi-bot]

@CabinfeverB: It seems you want to merge this PR, I will help you trigger all the tests:

/run-all-tests

You only need to trigger /merge once, and 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.

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[ti-chi-bot]

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

Commit hash: 3252da4

[ti-chi-bot]

@CabinfeverB: Your PR was out of date, I have automatically updated it for you.

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.