Update ci-and-push.yml

Re-enabling build testing after WA LD page rollout, as this is a vital CI/CD step.

.github/workflows/ci-and-push.yml

@@ -35,8 +35,8 @@ jobs:
         run: docker-compose up -d heritrix
       - name: Show what is running
         run: docker ps
-#      - name: Run integration tests
-#        run: docker-compose run robot
+      - name: Run integration tests
+        run: docker-compose run robot
       - name: Show what Heritrix logged, even if the tests failed
         if: ${{ always() }}
         run: docker-compose logs heritrix
@@ -52,7 +52,7 @@ jobs:
         with:
           name: robot-ci-results
           path: integration-test/results/
-#          if-no-files-found: error
+          if-no-files-found: error
 
   push_to_registries:
     needs: test