e2e: add sleep step back

Author: mallardduck

.github/workflows/e2e-ci.yaml

@@ -130,10 +130,10 @@ jobs:
       -
         name: Check if the Project Prometheus Stack is up
         run: ./.github/workflows/e2e/scripts/validate-project-monitoring.sh;
-      # -
-      #   name: Wait for 8 minutes for enough scraping to be done to continue
-      #   run: |
-      #     for i in {1..48}; do sleep 10; echo "Waited $((i*10)) seconds for metrics to be populated"...; done;
+      -
+        name: Wait for 8 minutes for enough scraping to be done to continue
+        run: |
+          for i in {1..48}; do sleep 10; echo "Waited $((i*10)) seconds for metrics to be populated"...; done;
       -
         name: Validate Project Prometheus Targets
         run: ./.github/workflows/e2e/scripts/validate-project-prometheus-targets.sh;