flaky test TestAuditPluginRetrying #65222
Description
Bug Report
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The test branch is the master branch, and Go 1.25 is used. （https://do.pingcap.net/jenkins/job/pingcap/job/tidb/job/ghpr_unit_test/46866/）
tidb_test.go:3721:
Error Trace: pkg/server/tests/commontest/tidb_test.go:3721
pkg/server/internal/testserverclient/server_client.go:150
pkg/server/tests/commontest/tidb_test.go:3685
Error: Not equal:
expected: 500
actual : 499
Test: TestAuditPluginRetrying