.travis.yml in is_master-1.1.0 vs .travis.yml in is_master-1.2.0

@@ -1,14 +1,16 @@
 language: ruby
 dist: precise
 rvm:
-  - 2.4.2
-  - 2.3.5
-  - 2.2.8
+  - 2.5.0
+  - 2.4.3
+  - 2.3.6
+  - 2.2.9
   - 2.1.10
 install:
   - bundle install
   - gem build is_master.gemspec
   - gem install is_master-$(cat VERSION).gem
 script:
   - rubocop
-  - ruby ./test/test_cli.rb
+  - ruby ./test/test_cli_master.rb
+  - ruby ./test/test_cli_slave.rb