flaky test TestIssue57531 #65228
Description
Bug Report
Please answer these questions before submitting your issue. Thanks!
1. Minimal reproduce step (Required)
2. What did you expect to see? (Required)
3. What did you see instead (Required)
The test branch is the master branch, and Go 1.25 is used. （https://do.pingcap.net/jenkins/job/pingcap/job/tidb/job/pull_unit_test_next_gen/6689/）
tidb_test.go:3497: Error Trace: pkg/server/tests/commontest/tidb_test.go:3497 pkg/server/internal/testserverclient/server_client.go:150 pkg/server/tests/commontest/tidb_test.go:3491 Error: Not equal: expected: 2 actual : 1 Test: TestIssue57531