diff --git a/.github/workflows/docker-crawlab.yml b/.github/workflows/docker-crawlab.yml
index 100f3f10..5fae3caa 100644
--- a/.github/workflows/docker-crawlab.yml
+++ b/.github/workflows/docker-crawlab.yml
@@ -98,15 +98,7 @@ jobs:
       - name: Run tests
         run: |
           cd core
-          go test ./...
-          # for dir in core db fs grpc vcs trace; do
-          #   if [ -d "$dir" ]; then
-          #     echo "Running tests in $dir"
-          #     cd $dir
-          #     go test ./...
-          #     cd ..
-          #   fi
-          # done
+          go test ./... -parallel 1
 
   build_backend:
     needs: [ setup, test_backend ]
diff --git a/backend/conf/config.yml b/backend/conf/config.yml
index 828480b7..dde0ac5b 100755
--- a/backend/conf/config.yml
+++ b/backend/conf/config.yml
@@ -25,3 +25,4 @@ api:
 
 log:
   path: /var/log/crawlab
+