CI against Ruby 3.0.0

yahonda · yahonda · commit 6b35cd827f3f · 2021-01-12T21:21:08.000+09:00
* Ruby 3.0.0 Released https://www.ruby-lang.org/en/news/2020/12/25/ruby-3-0-0-released/ Kind of cherry-pick rsim#2093 to master
diff --git a/.travis.yml b/.travis.yml
@@ -38,6 +38,7 @@ script:
 
 language: ruby
 rvm:
+  - 3.0.0
   - 2.7.2
   - 2.6.6
   - 2.5.8

-Original file line number
+Diff line change
 language: ruby
 rvm:
 +  - 3.0.0
   - 2.7.2
   - 2.6.6
   - 2.5.8