Add Truffleruby head to CI (#2099)

Author: gogainda

.travis.yml

@@ -6,6 +6,8 @@ sudo: false
 # see https://docs.travis-ci.com/user/customizing-the-build/#matching-jobs-with-allow_failures
 gemfile:
 
+script: bundle exec rake spec
+
 matrix:
   include:
     - rvm: 2.7.1
@@ -32,12 +34,10 @@ matrix:
     - rvm: 2.7.1
       gemfile: gemfiles/multi_json.gemfile
       script:
-        - bundle exec rake
         - bundle exec rspec spec/integration/multi_json
     - rvm: 2.7.1
       gemfile: gemfiles/multi_xml.gemfile
       script:
-        - bundle exec rake
         - bundle exec rspec spec/integration/multi_xml
     - rvm: 2.6.6
       gemfile: Gemfile
@@ -54,9 +54,11 @@ matrix:
     - rvm: ruby-head
     - rvm: jruby-head
     - rvm: rbx-3
+    - rvm: truffleruby-head
   allow_failures:
     - rvm: ruby-head
     - rvm: jruby-head
     - rvm: rbx-3
+    - rvm: truffleruby-head
 
 bundler_args: --without development

CHANGELOG.md

@@ -7,6 +7,7 @@
 #### Fixes
 
 * Your contribution here.
+* [#2099](https://github.com/ruby-grape/grape/pull/2099): Added truffleruby to Travis-CI - [@gogainda](https://github.com/gogainda).
 * [#2089](https://github.com/ruby-grape/grape/pull/2089): Specify order of mounting Grape with Rack::Cascade in README - [@jonmchan](https://github.com/jonmchan).
 * [#2083](https://github.com/ruby-grape/grape/pull/2083): Set `Cache-Control` header only for streamed responses - [@stanhu](https://github.com/stanhu).
 * [#2092](https://github.com/ruby-grape/grape/pull/2092): Correct an example params in Include Missing doc - [@huyvohcmc](https://github.com/huyvohcmc).