.travis.yml in jb-0.7.1 vs .travis.yml in jb-0.8.0

@@ -1,24 +1,33 @@
 language: ruby
 
 rvm:
-  - 2.7.0
-  - 2.6.5
-  - 2.5.7
+  - 2.7.2
+  - 2.6.6
+  - 2.5.8
 
 gemfile:
   - gemfiles/rails_60.gemfile
   - gemfiles/rails_52.gemfile
   - gemfiles/rails_51.gemfile
   - gemfiles/rails_50.gemfile
   - gemfiles/rails_42.gemfile
 
 matrix:
   exclude:
-    - rvm: 2.7.0
+    - rvm: 2.7.2
       gemfile: gemfiles/rails_52.gemfile
-    - rvm: 2.7.0
+    - rvm: 2.7.2
       gemfile: gemfiles/rails_51.gemfile
-    - rvm: 2.7.0
+    - rvm: 2.7.2
       gemfile: gemfiles/rails_50.gemfile
-    - rvm: 2.7.0
+    - rvm: 2.7.2
       gemfile: gemfiles/rails_42.gemfile
+
+  include:
+    - rvm: 2.7.2
+      gemfile: gemfiles/rails_edge.gemfile
+    - rvm: ruby-head
+      gemfile: gemfiles/rails_edge.gemfile
+
+  allow_failures:
+    - rvm: ruby-head