executor: migrate test-infra to testify for slow_query_test.go

[mashenjun]

Signed-off-by: Shenjun mashenjun0902@gmail.com

What problem does this PR solve?

Issue Number: close #28615

Problem Summary: replace pingcap/check with stretchr/testify in slow_query_test.go

What is changed and how it works?

use testify in test case under slow_query_test.go

Check List

Tests

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

Side effects

• Performance regression: Consumes more CPU
• Performance regression: Consumes more Memory
• Breaking backward compatibility

Documentation

• Affects user behaviors
• Contains syntax changes
• Contains variable changes
• Contains experimental features
• Changes MySQL compatibility

Release note

None

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• hawkingrei
• wjhuang2016

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[mashenjun]

/run-check_dev

[mashenjun]

/run-check_dev_2

[sre-bot]

Code Coverage Details: https://codecov.io/github/pingcap/tidb/commit/24c60f067adcf10231a2217a0b437f9f97b6616d

[mashenjun]

/run-check_dev_2

[hawkingrei]

@tangenta PTAL

[lcwangchao]

/merge

[ti-chi-bot]

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

Commit hash: b6b98ed

[ti-chi-bot]

@mashenjun: Your PR was out of date, I have automatically updated it for you.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

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