Update TestDevPortForward to get local port from port forward event instead of assuming local port 50053
Update TestDevPortForward to get local port from port forward event instead of assuming local port 50053

GoogleContainerTools/skaffold,GoogleContainerTools/skaffold,GoogleContainerTools/skaffold,GoogleContainerTools/skaffold,GoogleContainerTools/skaffold,GoogleContainerTools/skaffold,GoogleContainerTools/skaffold,GoogleContainerTools/skaffold,GoogleContainerTools/skaffold