.travis.yml in unread-0.10.1 vs .travis.yml in unread-0.11.0

@@ -1,33 +1,44 @@
 language: ruby
 rvm:
-  - 2.2.9
-  - 2.3.6
-  - 2.4.3
-  - 2.5.0
+  - 2.4.6
+  - 2.5.5
+  - 2.6.3
 gemfile:
+  - gemfiles/rails_6_0.gemfile
   - gemfiles/rails_5_2.gemfile
   - gemfiles/rails_5_1.gemfile
   - gemfiles/rails_5_0.gemfile
   - gemfiles/rails_4_2.gemfile
   - gemfiles/rails_4_1.gemfile
   - gemfiles/rails_4_0.gemfile
 matrix:
   exclude:
-    - rvm: 2.4.3
+    - rvm: 2.4.6
       gemfile: gemfiles/rails_4_0.gemfile
-    - rvm: 2.4.3
+    - rvm: 2.4.6
       gemfile: gemfiles/rails_4_1.gemfile
-    - rvm: 2.5.0
+    - rvm: 2.4.6
+      gemfile: gemfiles/rails_6_0.gemfile
+    - rvm: 2.5.5
       gemfile: gemfiles/rails_4_0.gemfile
-    - rvm: 2.5.0
+    - rvm: 2.5.5
       gemfile: gemfiles/rails_4_1.gemfile
+    - rvm: 2.6.3
+      gemfile: gemfiles/rails_4_0.gemfile
+    - rvm: 2.6.3
+      gemfile: gemfiles/rails_4_1.gemfile
 before_install: gem update bundler
 sudo: false
 env:
   - DB=sqlite
   - DB=mysql
   - DB=postgres
+services:
+  - mysql
+  - postgres
 before_script:
   - gem update --system # https://github.com/travis-ci/travis-ci/issues/8978
   - sh -c "if [ '$DB' = 'mysql' ]; then mysql -e 'create database IF NOT EXISTS unread_test;'; fi"
   - sh -c "if [ '$DB' = 'postgres' ]; then psql -c 'create database unread_test;' -U postgres; fi"
+addons:
+  postgresql: "9.4"