start brew mysql in travis

.travis.yml

@@ -11,7 +11,7 @@ before_install:
   - gem update --system
   - gem --version
   # - 'command -v brew && brew update || echo "no brew"'
-  - 'command -v brew && brew install mysql && sudo mysql.server start || echo "no brew"'
+  - 'command -v brew && brew install mysql && mysql.server start || echo "no brew"'
   # - 'command -v apt-get && sudo apt-get update -qq || echo "no apt-get"'
 after_install:
   - bundle-audit update