Keep 2.2.n matrix as before

Author: kachick

.travis.yml

@@ -37,7 +37,7 @@ rvm:
   - 1.8.7
   - 2.4.2
   - 2.3.5
-  - 2.2.7
+  - 2.2
   - 2.1
   - 2.0.0
   - 1.9.3
@@ -58,11 +58,11 @@ env:
 matrix:
   include:
     # Rails 5.x only supports 2.2+
-    - rvm: 2.2.7
+    - rvm: 2.2.2
       env: RAILS_VERSION=master
-    - rvm: 2.2.7
+    - rvm: 2.2.2
       env: RAILS_VERSION=5-0-stable
-    - rvm: 2.2.7
+    - rvm: 2.2.2
       env: RAILS_VERSION=5.1.0
     - rvm: 2.3.5
       env: RAILS_VERSION=master
@@ -114,7 +114,7 @@ matrix:
     - rvm: 1.9.2
       env: RAILS_VERSION=4-2-stable
     # MRI 2.2+ is not supported on a few versions
-    - rvm: 2.2.7
+    - rvm: 2.2
       env: RAILS_VERSION='~> 3.1.12'
     - rvm: 2.3.5
       env: RAILS_VERSION='~> 3.1.12'
@@ -134,7 +134,7 @@ matrix:
     - rvm: 2.4.2
       env: RAILS_VERSION='~> 3.1.12'
   allow_failures:
-    - rvm: 2.2.7
+    - rvm: 2.2.2
       env: RAILS_VERSION=master
     - rvm: 2.3.5
       env: RAILS_VERSION=master