Merge branch 'fix/gb/increase-ci-gdk-run-wait-time' into 'master'

Increase CI wait time for `gdk run`

See merge request !269

.gitlab-ci.yml

@@ -39,8 +39,8 @@ test:install:
     - netstat -lpt
     - gdk install
     - support/set-gitlab-upstream
-    - killall node
+    - killall node || true
     - gdk run &
-    - sleep 10
-    - curl -f http://127.0.0.1:3000/
+    - sleep 30
+    - curl -f --retry 10 --retry-delay 5 http://127.0.0.1:3000/