test new github action

.github/workflows/docker_pr_test.yml

@@ -15,13 +15,31 @@ jobs:
       - uses: actions/checkout@v2
       - name: Run docker compose up
         run: docker compose -f docker-compose_build.yml up -d
-      - name: Wait and check log
+      - name: Check backend container is running
+        run: |
+          sleep 30
+          if [ "$(docker ps | grep 4cat_backend)" ]; then 
+              echo "Docker 4cat_backend container is running..."
+          else 
+              echo -e "Docker 4cat_backend container is not running...\nPrinting 4cat_backend logs:\n\n$(docker container logs 4cat_backend)"
+              exit 1
+          fi
+      - name: Check frontend container is running
+        run: |
+          sleep 10
+          if [ "$(docker ps | grep 4cat_frontend)" ]; then 
+              echo "Docker 4cat_frontend container is running..."
+          else 
+              echo -e "Docker 4cat_frontend container is not running...\nPrinting 4cat_frontend logs:\n\n$(docker container logs 4cat_frontend)"
+              exit 1
+          fi
+      - name: Check 4CAT backend log for expected INFO message
         run: |
           test_case=" INFO at api.py:65: Local API listening for requests at backend:4444"
-          sleep 30 && var=$(docker exec 4cat_backend tail -n 1 logs/backend_4cat.log)
+          var=$(docker exec 4cat_backend tail -n 1 logs/backend_4cat.log)
           echo "::group::Backend test"
           if [ "$(echo "$var" | tr "|" "\n" | sed -n '2p')" = "$test_case" ]; then 
-              echo "Backend running as expected"
+              echo "4CAT backend running as expected"
           else 
               echo "::error::Backend failed to start"
               echo "Test:$test_case"