test for ruby 3, too

korny · korny · commit 050259de50e5 · 2021-03-01T16:07:34.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -15,11 +15,13 @@ rvm:
   - 2.5
   - 2.6
   - 2.7
+  - 3.0
   - ruby-head
   - jruby
 matrix:
   allow_failures:
     - rvm: 1.8.7
+    - rvm: ree
     - rvm: ruby-head
     - rvm: jruby
 branches:
