DATA RACE in the stretchr/testify

[hawkingrei]

Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

==================
WARNING: DATA RACE
Write at 0x00c026a29588 by goroutine 117:
  github.com/stretchr/testify/suite.(*Suite).SetT()
      /home/prow/go/pkg/mod/github.com/stretchr/testify@v1.7.0/suite/suite.go:37 +0x148
  github.com/pingcap/tidb/executor_test.(*infosSchemaClusterTableSuite).SetT()
      <autogenerated>:1 +0x44
  github.com/stretchr/testify/suite.Run.func1()
      /home/prow/go/pkg/mod/github.com/stretchr/testify@v1.7.0/suite/suite.go:128 +0xcc
  testing.tRunner()
      /usr/local/go/src/testing/testing.go:1259 +0x22f
  testing.(*T).Run·dwrap·21()
      /usr/local/go/src/testing/testing.go:1306 +0x47
Previous read at 0x00c026a29588 by goroutine 209:
  github.com/stretchr/testify/suite.(*Suite).Require()
      /home/prow/go/pkg/mod/github.com/stretchr/testify@v1.7.0/suite/suite.go:42 +0x5a
  github.com/pingcap/tidb/executor_test.(*infosSchemaClusterTableSuite).setUpRPCService.func1()
      /go/tidb/executor/infoschema_cluster_table_test.go:86 +0x46
Goroutine 117 (running) created at:
  testing.(*T).Run()
      /usr/local/go/src/testing/testing.go:1306 +0x726
  github.com/stretchr/testify/suite.runTests()
      /home/prow/go/pkg/mod/github.com/stretchr/testify@v1.7.0/suite/suite.go:203 +0x18f
  github.com/stretchr/testify/suite.Run()
      /home/prow/go/pkg/mod/github.com/stretchr/testify@v1.7.0/suite/suite.go:176 +0x994
  github.com/pingcap/tidb/executor_test.TestInfoSchemaClusterTable()
      /go/tidb/executor/infoschema_cluster_table_test.go:57 +0x44
  testing.tRunner()
      /usr/local/go/src/testing/testing.go:1259 +0x22f
  testing.(*T).Run·dwrap·21()
      /usr/local/go/src/testing/testing.go:1306 +0x47
Goroutine 209 (running) created at:
  github.com/pingcap/tidb/executor_test.(*infosSchemaClusterTableSuite).setUpRPCService()
      /go/tidb/executor/infoschema_cluster_table_test.go:85 +0x5d2
  github.com/pingcap/tidb/executor_test.(*infosSchemaClusterTableSuite).SetupSuite()
      /go/tidb/executor/infoschema_cluster_table_test.go:62 +0x184
  github.com/stretchr/testify/suite.Run()
      /home/prow/go/pkg/mod/github.com/stretchr/testify@v1.7.0/suite/suite.go:118 +0x5b7
  github.com/pingcap/tidb/executor_test.TestInfoSchemaClusterTable()
      /go/tidb/executor/infoschema_cluster_table_test.go:57 +0x44
  testing.tRunner()
      /usr/local/go/src/testing/testing.go:1259 +0x22f
  testing.(*T).Run·dwrap·21()
      /usr/local/go/src/testing/testing.go:1306 +0x47
================== 

2. What did you expect to see? (Required)

3. What did you see instead (Required)

4. What is your TiDB version? (Required)

[lance6716]

Could you explain what's the pattern that can trigger this issue? Other repos also use testify/suite