.travis.yml in closure_tree-7.1.0 vs .travis.yml in closure_tree-7.2.0

@@ -1,9 +1,10 @@
 cache: bundler
-sudo: false
 language: ruby
+
 rvm:
+  - 2.7.1
   - 2.6.3
   - 2.5.5
 
 gemfile:
   - gemfiles/activerecord_6.0.gemfile
@@ -29,5 +30,7 @@
   - gemfile: gemfiles/activerecord_edge.gemfile
   - gemfile: gemfiles/activerecord_6.0.gemfile
   exclude:
   - rvm: 2.5.5
     gemfile: gemfiles/activerecord_edge.gemfile
+  - rvm: 2.7.1
+    gemfile: gemfiles/activerecord_4.2.gemfile