Merge branch 'upgrade-teaspoon' into 'master'

Upgrade Teaspoon from 1.0.1 to 1.1.5.

Includes compatibility with Rails 5.

See the changelog for more information (https://github.com/modeset/teaspoon/blob/master/CHANGELOG.md).

Working towards #14286.

See merge request !3409

Gemfile

@@ -279,7 +279,7 @@ group :development, :test do
   gem 'capybara-screenshot', '~> 1.0.0'
   gem 'poltergeist',         '~> 1.9.0'
 
-  gem 'teaspoon', '~> 1.0.0'
+  gem 'teaspoon', '~> 1.1.0'
   gem 'teaspoon-jasmine', '~> 2.2.0'
 
   gem 'spring', '~> 1.6.4'

Gemfile.lock

@@ -806,8 +806,8 @@ GEM
     systemu (2.6.5)
     task_list (1.0.2)
       html-pipeline
-    teaspoon (1.0.2)
-      railties (>= 3.2.5, < 5)
+    teaspoon (1.1.5)
+      railties (>= 3.2.5, < 6)
     teaspoon-jasmine (2.2.0)
       teaspoon (>= 1.0.0)
     temple (0.7.6)
@@ -1048,7 +1048,7 @@ DEPENDENCIES
   sprockets (~> 3.3.5)
   state_machines-activerecord (~> 0.3.0)
   task_list (~> 1.0.2)
-  teaspoon (~> 1.0.0)
+  teaspoon (~> 1.1.0)
   teaspoon-jasmine (~> 2.2.0)
   test_after_commit (~> 0.4.2)
   thin (~> 1.6.1)