Update ci.sh

contrib/ci.sh

@@ -4,6 +4,10 @@ docker swarm init --advertise-addr=$(hostname -i)
 
 ./deploy_stack.sh
 
+cd gateway/tests/integration
+go test -v
+cd ../../../
+
 git clone https://github.com/openfaas/certify-incubator
 cd certify-incubator && \
    make test