Fix datarace in forwarder_test
@@ -278,6 +278,7 @@ func (t *ForwarderTestSuite) TestMaxOutstandingConcurrency() {
for _, tc := range testCases {
adds = 0
polls = 0
+ tc := tc
t.Run(tc.name, func() {
for i := 0; i < concurrency; i++ {
wg.Add(1)
