CI. Run on Ruby 3.0

Author: andrykonchin

.travis.yml

@@ -7,6 +7,7 @@ rvm:
   - ruby-2.5.5
   - ruby-2.6.3
   - ruby-2.7.0
+  - ruby-3.0.0
   - jruby-9.2.14.0
 gemfile:
   - gemfiles/rails_4_2.gemfile
@@ -19,24 +20,28 @@ matrix:
   include:
     # Rails 6.0
     # It requires Ruby 2.5 and above
+    - rvm: jruby-9.2.14.0
+      gemfile: gemfiles/rails_6_0.gemfile
     - rvm: ruby-2.5.3
       gemfile: gemfiles/rails_6_0.gemfile
     - rvm: ruby-2.6.3
       gemfile: gemfiles/rails_6_0.gemfile
     - rvm: ruby-2.7.0
       gemfile: gemfiles/rails_6_0.gemfile
-    - rvm: jruby-9.2.14.0
+    - rvm: ruby-3.0.0
       gemfile: gemfiles/rails_6_0.gemfile
 
     # Rails 6.1
     # It requires Ruby 2.5 and above
+    - rvm: jruby-9.2.14.0
+      gemfile: gemfiles/rails_6_1.gemfile
     - rvm: ruby-2.5.3
       gemfile: gemfiles/rails_6_1.gemfile
     - rvm: ruby-2.6.3
       gemfile: gemfiles/rails_6_1.gemfile
     - rvm: ruby-2.7.0
       gemfile: gemfiles/rails_6_1.gemfile
-    - rvm: jruby-9.2.14.0
+    - rvm: ruby-3.0.0
       gemfile: gemfiles/rails_6_1.gemfile
 
 ### BUILD LIFECYCLE STEPS ###