.travis.yml in ridgepole-0.8.7 vs .travis.yml in ridgepole-0.8.8

@@ -6,9 +6,10 @@
   - bundler
 rvm:
   - 2.4.9
   - 2.5.7
   - 2.6.5
+  - 2.7.1
 before_script:
   - sudo service mysql stop
   - sudo service postgresql stop
   - for i in {1..60}; do docker-compose up -d && break; sleep 1; done
   - function mysql_ping { mysqladmin -u root -h 127.0.0.1 -P 13316 -ppassword ping; }