placement: migrate test framework to testify

[disksing]

Signed-off-by: disksing i@disksing.com

What problem does this PR solve?

Issue Number: Close #5097

Check List

Tests

• Unit test

Release note

None

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• JmPotato
• rleungx

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[codecov]

Codecov Report

Merging #5101 (5082985) into master (8359788) will increase coverage by 0.15%.
The diff coverage is n/a.

❗ Current head 5082985 differs from pull request most recent head 1a84749. Consider uploading reports for the commit 1a84749 to get more accurate results

@@            Coverage Diff             @@
##           master    #5101      +/-   ##
==========================================
+ Coverage   75.36%   75.52%   +0.15%     
==========================================
  Files         308      308              
  Lines       30475    30475              
==========================================
+ Hits        22969    23015      +46     
+ Misses       5498     5466      -32     
+ Partials     2008     1994      -14     

Flag	Coverage Δ
unittests	75.52% <ø> (+0.15%)	⬆️

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

Impacted Files	Coverage Δ
pkg/cache/lru.go	79.06% <0.00%> (-9.31%)	⬇️
server/tso/local_allocator.go	71.62% <0.00%> (-6.76%)	⬇️
server/schedule/checker/rule_checker.go	78.17% <0.00%> (-1.02%)	⬇️
client/base_client.go	79.38% <0.00%> (-0.52%)	⬇️
client/client.go	68.72% <0.00%> (-0.32%)	⬇️
server/cluster/unsafe_recovery_controller.go	80.54% <0.00%> (ø)
server/cluster/cluster.go	83.50% <0.00%> (+0.09%)	⬆️
server/schedulers/hot_region.go	83.33% <0.00%> (+0.29%)	⬆️
server/cluster/coordinator.go	70.98% <0.00%> (+0.39%)	⬆️
server/grpc_service.go	53.05% <0.00%> (+0.44%)	⬆️
... and 12 more

---

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[rleungx]

The rest LGTM

[rleungx]

Please add an empty line between the functions for this PR.

[disksing]

/merge

[ti-chi-bot]

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

/run-all-tests

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.

[ti-chi-bot]

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

Commit hash: 4ecb14b

[ti-chi-bot]

@disksing: Your PR was out of date, I have automatically updated it for you.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

[disksing]

/merge

[ti-chi-bot]

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

/run-all-tests

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.

[ti-chi-bot]

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

Commit hash: 1a84749