Merge branch 'fix-e2e-testing' into 'development'

Wait for server to be started for e2e

Closes #696

See merge request !762

.gitlab-ci.yml

@@ -477,7 +477,7 @@ e2e-testing:
     - deploy_staging
   stage: live checks
   before_script:
-    - chmod +x ./scripts/e2e.sh
+    - apt-get install python
   script:
     - ./scripts/e2e.sh
   rules:

scripts/e2e.sh

 #!/bin/bash
+export URL=queue.ewi.tudelft.nl
+
+printf "%s" "waiting for ${URL}"
+while ! ping -c 1 -n -w 1 ${URL} &> /dev/null
+do
+    printf "%c" "."
+done
+
+printf "\n%s\n"  "Server is back online"
+
 if  ./gradlew e2eTest -x sassCompile --build-cache; then
     exit 0
 else