ST-65: tag for docker-machine

.gitlab-ci.yml

@@ -23,6 +23,8 @@ before_script:
 # In this case we have only the test job which produce an artifacts (it must be placed into a directory called "public")
 # It is also specified that only the master branch will be subject of this job. 
 test:
+  tags:
+    - docker-machine
   script:
   - python setup.py test
   - ls -la