Updating all tests. All tests are passing

spec/factories/digital_factory.rb

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

spec/factories/digital_link_factory.rb

@@ -1,4 +1,4 @@
-Factory.define :digital_link do |f|
+Factory.define :digital_link, :class => Spree::DigitalLink do |f|
   f.digital { |p| p.association(:digital) }
   f.line_item { |p| p.association(:line_item) }
 end