all: fix goroutine leaks in unit tests by adding 1-elem channel buffer (#20666)

This fixes a bunch of cases where a timeout in the test would leak a goroutine.
2020-02-18 00:33:12 +08:00
parent 57d4898e29
commit 1b9c5b393b
4 changed files with 4 additions and 4 deletions
--- a/rpc/client_test.go
+++ b/rpc/client_test.go
@ -297,7 +297,7 @@ func TestClientSubscribeClose(t *testing.T) {

 	var (
 		nc   = make(chan int)
-		errc = make(chan error)
+		errc = make(chan error, 1)
 		sub  *ClientSubscription
 		err  error
 	)