.travis.yml in isolator-0.6.1 vs .travis.yml in isolator-0.6.2

@@ -1,31 +1,27 @@
 sudo: false
 language: ruby
 cache: bundler
-rvm:
-  - 2.5.3
 
 notifications:
   email: false
 
 matrix:
   fast_finish: true
   include:
     - rvm: ruby-head
       gemfile: gemfiles/railsmaster.gemfile
-    - rvm: jruby-9.2.8.0
+    - rvm: jruby-9.2.10.0
       gemfile: gemfiles/jruby.gemfile
-    - rvm: 2.6.2
+    - rvm: 2.7
+      gemfile: Gemfile
+    - rvm: 2.6
       gemfile: gemfiles/rails6.gemfile
-    - rvm: 2.5.0
+    - rvm: 2.5
       gemfile: Gemfile
-    - rvm: 2.4.3
-      gemfile: Gemfile
-    - rvm: 2.3.1
+    - rvm: 2.5
       gemfile: gemfiles/activerecord42.gemfile
-    - rvm: 2.2.2
-      gemfile: gemfiles/ruby_2.2.2.gemfile
   allow_failures:
     - rvm: ruby-head
       gemfile: gemfiles/railsmaster.gemfile
-    - rvm: jruby-9.2.8.0
+    - rvm: jruby-9.2.10.0
       gemfile: gemfiles/jruby.gemfile