fix minikube tunnel

Author: davidgamero

.github/workflows/integration-per-language.yml

@@ -311,14 +311,15 @@ jobs:
         run: |
           kubectl get svc
           echo 'Starting minikube tunnel'
-          minikube tunnel  > /dev/null 2>&1 & tunnelPID=\$!
+          minikube tunnel  > /dev/null 2>&1 & tunnelPID=$!
           sleep 120
           kubectl get svc
-          SERVICEIP=\$(kubectl get svc -o jsonpath={'.items[1].status.loadBalancer.ingress[0].ip'})
-          echo \"SERVICEIP: \$SERVICEIP\"
+          SERVICEIP=$(kubectl get svc -o jsonpath={'.items[1].status.loadBalancer.ingress[0].ip'})
+          echo "SERVICEIP: $SERVICEIP"
           echo 'Curling service IP'
-          curl -m 3 \$SERVICEIP:$serviceport
-          kill \$tunnelPID
+          curl -m 3 $SERVICEIP:${{env.serviceport}}
+          sleep 5
+          kill $tunnelPID
       - run: |
           ./draft -v generate-workflow \
           -d ./langtest/ \