Upgrade to rails 4
From Test::Unit to MiniTest
Removing attr_accessible
Update install generator path
Fixed attempt to use protected attributes in call to factory method from variant_test.rb
Update sass-rails to ~> 4.0.2. Last version was not playing nice with sprockets. https://github.com/spree/spree/issues/4442
MiniTest and Cucumber passing, but several deprecation warnings