.travis.yml in diff_matcher-2.8.1 vs .travis.yml in diff_matcher-2.9.0

@@ -1,26 +1,17 @@
 rvm:
-#  - 1.8.6  # travis no longer supports this https://twitter.com/#!/travisci/status/114926454122364928
-  - 1.8.7
-#  - 1.9.1  # travis no longer supports this https://twitter.com/#!/travisci/status/114926454122364928
-  - 1.9.2
-  - 1.9.3
-  - rbx
-  - rbx-19mode
-  - rbx-2
-  - jruby
-  - ree
   - 2.0.0
   - 2.1
   - 2.2
   - 2.3.0
+  - 2.4.0
+  - 2.5.0
+  - 2.6.0
+  - 2.7.0
+  - 3.0.0
   - ruby-head
 
 before_install:
   - gem install bundler -v '1.11.2'
 
 matrix:
   fast_finish: true
-  allow_failures:
-    - rvm: rbx
-    - rvm: rbx-19mode
-    - rvm: rbx-2