Added capybara screenshot for failed tests

Author: fabn

Gemfile

@@ -36,6 +36,7 @@ group :test do
   gem 'spring', require: false
   gem 'spring-commands-rspec', require: false
   gem 'capybara', '~> 2.1.0'
+  gem 'capybara-screenshot'
   gem 'poltergeist'
   gem 'fuubar'
   # Useful to debug tests

spec/spec_helper.rb

@@ -11,6 +11,8 @@
 # `brew install phantomjs` to make it working
 require 'capybara/poltergeist'
 Capybara.javascript_driver = :poltergeist
+# save screenshots and html of failed js tests
+require 'capybara-screenshot/rspec'
 
 RSpec.configure do |config|
   config.treat_symbols_as_metadata_keys_with_true_values = true