.travis.yml in polyamorous-1.3.1 vs .travis.yml in polyamorous-1.3.2

@@ -1,77 +1,58 @@
 language: ruby
 
 sudo: false
+cache: bundler
 
 before_install:
   - travis_retry gem install bundler
 
 rvm:
-  - 2.3.1
-  - 2.2.5
-  - 2.1.10
-  - 2.0
-  - 1.9
+  - 2.5.0
+  - 2.4.3
+  - 2.3.6
+  - 2.2.9
 
 env:
   - RAILS=4-2-stable AREL=6-0-stable DB=sqlite
   - RAILS=4-2-stable AREL=6-0-stable DB=mysql
   - RAILS=4-2-stable AREL=6-0-stable DB=postgres
+  - RAILS=5-0-stable AREL=7-0-stable DB=sqlite
+  - RAILS=5-0-stable AREL=7-0-stable DB=mysql
+  - RAILS=5-0-stable AREL=7-0-stable DB=postgres
+  - RAILS=5-1-stable AREL=8-0-stable DB=sqlite
+  - RAILS=5-1-stable AREL=8-0-stable DB=mysql
+  - RAILS=5-1-stable AREL=8-0-stable DB=postgres
 
-  - RAILS=4-1-stable AREL=5-0-stable DB=sqlite
-  - RAILS=4-1-stable AREL=5-0-stable DB=mysql
-  - RAILS=4-1-stable AREL=5-0-stable DB=postgres
-
-  - RAILS=4-0-stable AREL=4-0-stable DB=sqlite
-  - RAILS=4-0-stable AREL=4-0-stable DB=mysql
-  - RAILS=4-0-stable AREL=4-0-stable DB=postgres
-
-  - RAILS=3-2-stable AREL=3-0-stable DB=sqlite
-  - RAILS=3-2-stable AREL=3-0-stable DB=mysql
-  - RAILS=3-2-stable AREL=3-0-stable DB=postgres
-
-  - RAILS=3-1-stable AREL=2-2-stable DB=sqlite
-  - RAILS=3-1-stable AREL=2-2-stable DB=mysql
-  - RAILS=3-1-stable AREL=2-2-stable DB=postgres
-
-  - RAILS=3-0-stable AREL=2-0-stable DB=sqlite
-  - RAILS=3-0-stable AREL=2-0-stable DB=mysql
-  - RAILS=3-0-stable AREL=2-0-stable DB=postgres
-
 matrix:
   include:
-    - rvm: 2.3.1
+    - rvm: 2.5.0
       env: RAILS=master DB=sqlite3
-    - rvm: 2.3.1
+    - rvm: 2.5.0
       env: RAILS=master DB=mysql
-    - rvm: 2.3.1
+    - rvm: 2.5.0
       env: RAILS=master DB=postgres
 
-    - rvm: 2.2.5
+    - rvm: 2.4.3
       env: RAILS=master DB=sqlite3
-    - rvm: 2.2.5
+    - rvm: 2.4.3
       env: RAILS=master DB=mysql
-    - rvm: 2.2.5
+    - rvm: 2.4.3
       env: RAILS=master DB=postgres
 
-    - rvm: 2.3.1
-      env: RAILS=5-0-stable DB=sqlite3
-    - rvm: 2.3.1
-      env: RAILS=5-0-stable DB=mysql
-    - rvm: 2.3.1
-      env: RAILS=5-0-stable DB=postgres
+    - rvm: 2.3.6
+      env: RAILS=master DB=sqlite3
+    - rvm: 2.3.6
+      env: RAILS=master DB=mysql
+    - rvm: 2.3.6
+      env: RAILS=master DB=postgres
 
-    - rvm: 2.2.5
-      env: RAILS=5-0-stable DB=sqlite3
-    - rvm: 2.2.5
-      env: RAILS=5-0-stable DB=mysql
-    - rvm: 2.2.5
-      env: RAILS=5-0-stable DB=postgres
-
-  allow_failures:
-    - env: RAILS=master DB=sqlite3
-    - env: RAILS=master DB=mysql
-    - env: RAILS=master DB=postgres
+    - rvm: 2.2.9
+      env: RAILS=master DB=sqlite3
+    - rvm: 2.2.9
+      env: RAILS=master DB=mysql
+    - rvm: 2.2.9
+      env: RAILS=master DB=postgres
 
 before_script:
   - mysql -e 'create database ransack collate utf8_general_ci;'
   - mysql -e 'use ransack;show variables like "%character%";show variables like "%collation%";'
   - psql -c 'create database ransack;' -U postgres