fix dm test

[nexustar]

What problem does this PR solve?

dm changed json name pingcap/dm@8325f1b

What is changed and how it works?

Check List

Tests

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

Code changes

• Has exported function/method change
• Has exported variable/fields change
• Has interface methods change
• Has persistent data change

Side effects

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

Related changes

• Need to cherry-pick to the release branch
• Need to update the documentation

Release notes:

NONE

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• AstroProfundis

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[codecov-commenter]

Codecov Report

Merging #1540 (c3ab37b) into master (090b201) will increase coverage by 17.74%.
The diff coverage is n/a.

❗ Current head c3ab37b differs from pull request most recent head 6b2a804. Consider uploading reports for the commit 6b2a804 to get more accurate results

@@             Coverage Diff             @@
##           master    #1540       +/-   ##
===========================================
+ Coverage   26.27%   44.01%   +17.74%     
===========================================
  Files         267      228       -39     
  Lines       24069    20987     -3082     
===========================================
+ Hits         6323     9237     +2914     
+ Misses      16924    10385     -6539     
- Partials      822     1365      +543     

Flag	Coverage Δ
cluster	44.01% <ø> (?)
integrate	44.01% <ø> (+27.92%)	⬆️
tiup	?
unittest	?

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

Impacted Files	Coverage Δ
pkg/utils/regexp.go	0.00% <0.00%> (-100.00%)	⬇️
pkg/repository/store/store.go	0.00% <0.00%> (-100.00%)	⬇️
pkg/telemetry/telemetry.go	0.00% <0.00%> (-83.34%)	⬇️
pkg/repository/utils/hash.go	0.00% <0.00%> (-83.34%)	⬇️
pkg/repository/model/publish.go	0.00% <0.00%> (-83.34%)	⬇️
pkg/repository/store/local.go	0.00% <0.00%> (-82.61%)	⬇️
pkg/utils/semver.go	7.08% <0.00%> (-79.53%)	⬇️
pkg/meta/err.go	0.00% <0.00%> (-77.78%)	⬇️
pkg/repository/progress.go	23.07% <0.00%> (-76.93%)	⬇️
pkg/telemetry/node_info.go	0.00% <0.00%> (-75.76%)	⬇️
... and 249 more

---

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[nexustar]

/merge

[ti-chi-bot]

@nexustar: /merge in this pull request requires 1 approval(s).

In response to this:

/merge

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[nexustar]

/merge

[ti-chi-bot]

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

Commit hash: 6b2a804