Add retry to metrics check in TestTcpMetrics (#10816)
Add retry to metrics check in TestTcpMetrics (#10816)

* Add retry to metrics check in TestTcpMetrics

* Small cleanup

* Fix typo

geeknoid/istio,istio/istio,smawson/istio,smawson/istio,smawson/istio,smawson/istio,istio/istio,smawson/istio,smawson/istio,geeknoid/istio,istio/istio,geeknoid/istio,istio/istio,geeknoid/istio,istio/istio,geeknoid/istio,geeknoid/istio