.travis.yml in omniauth-oauth2-1.7.0 vs .travis.yml in omniauth-oauth2-1.7.1

@@ -11,9 +11,10 @@
   - jruby-9000
   - 2.4.4
   - 2.5.3
   - jruby-head
   - ruby-head
+  - truffleruby-head
 matrix:
   allow_failures:
     - rvm: jruby-head
     - rvm: ruby-head
   fast_finish: true