Updated README.md and Travis CI

Author: yosefbennywidyo

.travis.yml

@@ -1,8 +1,9 @@
 language: ruby
 rvm:
   - 2.4.2
+bundler_args: --binstubs
+
 before_script:
-  - bundler_args: --binstubs
   - bundle exec rake db:create --all
   - bundle exec rake db:migrate
 script:

README.md

@@ -68,6 +68,8 @@ rails generate cucumber:install
 ```
 
 ## Testing
+### Running all test (RSpec and Cucumber)
+`bundle exec rake ci:tests`
 ### RSpec
 #### Single test
 `rspec spec/models/post_spec.rb`