fix in travis

Author: angrykoala

.travis.yml

@@ -4,10 +4,10 @@ os:
 node_js:
     - "lts/*"
 sudo: false
-before_script:
-  - "export DISPLAY=:99.0"
-  - "sh -e /etc/init.d/xvfb start"
-  - sleep 3 # give xvfb some time to start
+# before_script:
+#   - "export DISPLAY=:99.0"
+#   - "sh -e /etc/init.d/xvfb start"
+#   - sleep 3 # give xvfb some time to start
 script:
     - npm run eslint
     - travis_retry npm test