.travis.yml in devise-security-0.13.0 vs .travis.yml in devise-security-0.14.0.rc1

@@ -1,23 +1,41 @@
 language: ruby
-before_install: gem install bundler && bundle -v
-install: bundle install --jobs=3 --retry=3
-before_script: bundle install
+dist: xenial
+before_install:
+  # install bundler < 2 because Rails 4.2 is incompatible with bundler >= 2
+  - gem install bundler -v '1.17.3'
+install: bundle _1.17.3_ install --jobs=2 --retry=2 --path=${BUNDLE_PATH:-vendor/bundle}
+cache: bundler
 script: bundle exec rake
 rvm:
-  - 2.3.7
-  - 2.4.4
-  - 2.5.1
+  - 2.3
+  - 2.4
+  - 2.5
+  - 2.6
   - ruby-head
+env:
+  matrix:
+    - DEVISE_ORM=active_record
+    - DEVISE_ORM=mongoid
+services:
+  - mongodb
 matrix:
-  allow_failures:
+  exclude:
+    # Skip these combinations because they have incompatible dependencies
+    # and will always fail.
+    - rvm: 2.6
+      gemfile: gemfiles/rails_4.2_stable.gemfile
     - rvm: ruby-head
-    - gemfile: gemfiles/rails_5.2_rc1.gemfile
-    - rvm: 2.4.4
       gemfile: gemfiles/rails_4.2_stable.gemfile
-    - rvm: 2.5.1
-      gemfile: gemfiles/rails_4.2_stable.gemfile
+    - rvm: 2.3
+      gemfile: gemfiles/rails_6.0_beta.gemfile
+    - rvm: 2.4
+      gemfile: gemfiles/rails_6.0_beta.gemfile
+  allow_failures:
+    - rvm: ruby-head
+    - gemfile: gemfiles/rails_6.0_beta.gemfile
 gemfile:
   - gemfiles/rails_4.2_stable.gemfile
   - gemfiles/rails_5.0_stable.gemfile
   - gemfiles/rails_5.1_stable.gemfile
-  - gemfiles/rails_5.2.0.gemfile
+  - gemfiles/rails_5.2_stable.gemfile
+  - gemfiles/rails_6.0_beta.gemfile