Updated testing to use spree 1.1 and new factorygirl syntax

spec/factories/digital_factory.rb

@@ -1,3 +1,5 @@
-Factory.define :digital, :class => Spree::Digital do |f|
-  f.variant { |p| p.association(:variant) }
+FactoryGirl.define do
+  factory :digital, :class => Spree::Digital do |f|
+    f.variant { |p| p.association(:variant) }
+  end
 end