Add health check for etherpad service (#144)

* Add health check for etherpad service

Added a step to wait for the etherpad service to be healthy before scanning.

* Add health check for etherpad in e2e test workflow

Added a step to wait for etherpad to be healthy before scanning.

Author: Gared

.github/workflows/e2e-test.yml

@@ -148,6 +148,13 @@ jobs:
       - name: Install dependencies
         run: composer install --prefer-dist --no-progress
 
+      - name: Wait until etherpad is healthy
+        run: |
+          until curl -s -f -o /dev/null "http://localhost:8080/etherpad"
+          do
+            sleep 2
+          done
+
       - name: Scan etherpad instance
         run: |
           set -euo pipefail
@@ -374,6 +381,13 @@ jobs:
       - name: Install dependencies
         run: composer install --prefer-dist --no-progress
 
+      - name: Wait until etherpad is healthy
+        run: |
+          until curl -s -f -o /dev/null "http://localhost:9001"
+          do
+            sleep 2
+          done
+
       - name: Scan etherpad instance
         run: |
           set -euo pipefail