Drop support for Ruby 2.2 in tests

Tom Scott · Tom Scott · commit 820a780067e8 · 2019-07-12T11:07:04.000-04:00
diff --git a/.travis.yml b/.travis.yml
@@ -3,7 +3,6 @@ script: bundle exec rake
 rvm:
 - 2.0
 - 2.1
-- 2.2
 - 2.3
 - 2.4
 - 2.5

-Original file line number
+Diff line change
 rvm:
 - 2.0
 - 2.1
 -- 2.2
 - 2.3
 - 2.4
 - 2.5