*: fix test suite race (tikv#6784)

close tikv#6772 Signed-off-by: Ryan Leung <[email protected]>
HuSharp · Jul 11, 2023 · f816c51 · f816c51
1 parent 3cce629
commit f816c51
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/tests/cluster.go b/tests/cluster.go
@@ -628,9 +628,11 @@ func (c *TestCluster) WaitLeader(ops ...WaitOption) string {
 		counter := make(map[string]int)
 		running := 0
 		for _, s := range c.servers {
+			s.RLock()
 			if s.state == Running {
 				running++
 			}
+			s.RUnlock()
 			n := s.GetLeader().GetName()
 			if n != "" {
 				counter[n]++