.travis.yml in pricehubble-0.2.0 vs .travis.yml in pricehubble-0.3.0

@@ -4,19 +4,16 @@
 
 sudo: false
 language: ruby
 cache: bundler
 rvm:
+  - 2.7
   - 2.6
   - 2.5
-  - 2.4
-  - 2.3
 
 gemfile:
-  - gemfiles/rails_4.2.gemfile
-  - gemfiles/rails_5.0.gemfile
-  - gemfiles/rails_5.1.gemfile
   - gemfiles/rails_5.2.gemfile
+  - gemfiles/rails_6.0.gemfile
 
 before_install: gem install bundler
 before_script:
   - curl -L https://codeclimate.com/downloads/test-reporter/test-reporter-latest-linux-amd64 > ./cc-test-reporter
   - chmod +x ./cc-test-reporter