Fixed goroutine leak in tests/integration/v3_watch_restore_test.go
@@ -130,7 +130,7 @@ func TestV3WatchRestoreSnapshotUnsync(t *testing.T) {
// should be able to notify on old-revision watchers in unsynced
// make sure restore watch operation correctly moves watchers
// between synced and unsynced watchers
- errc := make(chan error)
+ errc := make(chan error, 1)
go func() {
cresp, cerr := wStream.Recv()
if cerr != nil {
