.travis.yml in i18n-js-3.2.0 vs .travis.yml in i18n-js-3.2.1

@@ -6,26 +6,28 @@
   bundler: true
   yarn: true
   directories:
   - node_modules
 rvm:
-  - 2.1
-  - 2.2
   - 2.3
   - 2.4
   - 2.5
+  - 2.6
   - ruby-head
 before_install:
-# Need to install something extra to test JS
+# Needed to test JS
 - yarn install
-# Bundler 1.16.1 and rubygems 2.7.3 got issue
-# https://github.com/travis-ci/travis-ci/issues/8978#issuecomment-354036443
-- gem update --system
 gemfile:
+  - gemfiles/i18n_0_6.gemfile
+  - gemfiles/i18n_0_7.gemfile
   - gemfiles/i18n_0_8.gemfile
   - gemfiles/i18n_0_9.gemfile
   - gemfiles/i18n_1_0.gemfile
   - gemfiles/i18n_1_1.gemfile
+  - gemfiles/i18n_1_2.gemfile
+  - gemfiles/i18n_1_3.gemfile
+  - gemfiles/i18n_1_4.gemfile
+  - gemfiles/i18n_1_5.gemfile
 matrix:
   fast_finish: true
   allow_failures:
     - rvm: ruby-head
 notifications: