.travis.yml in solidus_culqi-0.0.2 vs .travis.yml in solidus_culqi-0.1.0

@@ -1,28 +1,34 @@
 sudo: false
 cache: bundler
 language: ruby
 bundler_args: --quiet
-before_install:
-  - gem install bundler --pre
 script:
   - bundle exec rake
 rvm:
-  - 2.4.1
+  - 2.4.2
 env:
   matrix:
     - SOLIDUS_BRANCH=v1.2 DB=postgres
     - SOLIDUS_BRANCH=v1.3 DB=postgres
     - SOLIDUS_BRANCH=v1.4 DB=postgres
     - SOLIDUS_BRANCH=v2.0 DB=postgres
     - SOLIDUS_BRANCH=v2.1 DB=postgres
     - SOLIDUS_BRANCH=v2.2 DB=postgres
     - SOLIDUS_BRANCH=v2.3 DB=postgres
+    - SOLIDUS_BRANCH=v2.4 DB=postgres
+    - SOLIDUS_BRANCH=v2.5 DB=postgres
+    - SOLIDUS_BRANCH=v2.6 DB=postgres
+    - SOLIDUS_BRANCH=v2.7 DB=postgres
     - SOLIDUS_BRANCH=master DB=postgres
     - SOLIDUS_BRANCH=v1.2 DB=mysql
     - SOLIDUS_BRANCH=v1.3 DB=mysql
     - SOLIDUS_BRANCH=v1.4 DB=mysql
     - SOLIDUS_BRANCH=v2.0 DB=mysql
     - SOLIDUS_BRANCH=v2.1 DB=mysql
     - SOLIDUS_BRANCH=v2.2 DB=mysql
     - SOLIDUS_BRANCH=v2.3 DB=mysql
+    - SOLIDUS_BRANCH=v2.4 DB=mysql
+    - SOLIDUS_BRANCH=v2.5 DB=mysql
+    - SOLIDUS_BRANCH=v2.6 DB=mysql
+    - SOLIDUS_BRANCH=v2.7 DB=mysql
     - SOLIDUS_BRANCH=master DB=mysql