updated workflow

.github/workflows/docker-crawlab.yml

@@ -144,13 +144,13 @@ jobs:
 
       - name: Test image
         run: |
-          docker run -d --rm --name crawlab_master \
+          docker run --rm --name crawlab_master \
             -e CRAWLAB_NODE_MASTER=true \
             -e CRAWLAB_DEMO=false \
             -e CRAWLAB_MONGO_HOST=localhost \
             -e CRAWLAB_MONGO_PORT=27017 \
             -p 8080:8080 \
-            image
+            image &
           docker exec crawlab_master env
           sleep 30
           docker ps