Ensure that no focus are being used in CI

Author: kassio

.travis.yml

@@ -6,4 +6,4 @@ before_script:
   - "vim --version"
   - "export DISPLAY=:99.0"
   - "sh -e /etc/init.d/xvfb start"
-script: "CI=true bin/rspec --color -b -f d"
+script: "grep 'focus:.*true' -R spec/indent spec/syntax && exit -1 || CI=true bin/rspec --color -b -f d"