.travis.yml in turkish_banks-0.5.0 vs .travis.yml in turkish_banks-0.6.0

@@ -1,3 +1,9 @@
 language: ruby
+dist: trusty
 rvm:
-  - 2.2.0
+  - 2.5.5
+  - 2.6.3
+  - 2.7.0
+before_install:
+  - gem install bundler
+script: bundle exec rspec spec