ci: updated workflow

.github/workflows/docker-crawlab.yml

@@ -97,7 +97,7 @@ jobs:
           go-version: '1.22'
       - name: Run tests
         run: |
-          for dir in backend core db fs grpc vcs trace; do
+          for dir in core db fs grpc vcs trace; do
             if [ -d "$dir" ]; then
               echo "Running tests in $dir"
               cd $dir
@@ -251,6 +251,7 @@ jobs:
           fi
 
   push_images:
+    if: ${{ success() && needs.build_crawlab.result == 'success' }}
     needs: [setup, build_crawlab]
     runs-on: ubuntu-latest
     strategy: