.travis.yml in avromatic-0.21.1 vs .travis.yml in avromatic-0.22.0

@@ -1,15 +1,14 @@
 language: ruby
 rvm:
-  - 2.4.0
-  - 2.3.3
-  - 2.2.6
-before_install:
-  # Workaround for https://github.com/sickill/rainbow/issues/48
-  - gem update --system
+  - 2.4.1
+  - 2.3.4
+  - 2.2.7
 before_script:
   - bundle exec appraisal install --jobs=3
 script:
   - bundle exec rubocop
   - bundle exec appraisal rails4_1 rake spec
   - bundle exec appraisal rails4_2 rake spec
-  - bundle exec appraisal avro-salsify-fork rake spec
+  - bundle exec appraisal rails5_0 rake spec
+  - bundle exec appraisal avro-patches-4_1 rake spec
+  - bundle exec appraisal avro-patches-5_0 rake spec