Add latest ruby to the CI matrix

deivid-rodriguez · deivid-rodriguez · commit a8fb54fe954b · 2019-03-19T17:24:03.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -13,6 +13,7 @@ rvm:
   - 2.3.8
   - 2.4.5
   - 2.5.5
+  - 2.6.2
   - ruby-head
 matrix:
   allow_failures:
