.travis.yml in grape-entity-0.8.1 vs .travis.yml in grape-entity-0.8.2

@@ -7,19 +7,20 @@
   - bundle exec danger
 
 rvm:
   - 2.5.8
   - 2.6.6
-  - 2.7.1
+  - 2.7.2
   - ruby-head
   - jruby-head
+  - truffleruby-head
+  - 2.4.10
 
+
 matrix:
   fast_finish: true
 
-  include:
-    - rvm: 2.4.10
-
   allow_failures:
     - rvm: 2.4.10
     - rvm: ruby-head
     - rvm: jruby-head
+    - rvm: truffleruby-head