Code, gemspec, and Gemfile cleanup

spec/models/digital_link_spec.rb

@@ -1,11 +1,10 @@
-require File.dirname(__FILE__) + '/../spec_helper'
+require 'spec_helper'
 
 describe Spree::DigitalLink do
 
   context 'validation' do
     it { should belong_to(:digital) }
     it { should belong_to(:line_item) }
-    it { should have_valid_factory(:digital_link) }
   end
 
   context "#create" do

spec/models/digital_spec.rb

@@ -4,7 +4,6 @@ describe Spree::Digital do
 
   context 'validation' do
     it { should belong_to(:variant) }
-    it { should have_valid_factory(:digital) }
   end
 
   context "#create" do

spec/models/line_item_spec.rb

@@ -1,4 +1,4 @@
-require File.dirname(__FILE__) + '/../spec_helper'
+require 'spec_helper'
 
 describe Spree::LineItem do
 

spec/models/order_spec.rb

@@ -1,11 +1,6 @@
-require File.dirname(__FILE__) + '/../spec_helper'
+require 'spec_helper'
 
 describe Spree::Order do
-
-  context 'validation' do
-    it { should have_valid_factory(:order) }
-  end
-  
   context "#add_variant" do
     it "should add digital Variants of quantity 1 to an order" do
       order = FactoryGirl.create(:order)

spec/models/variant_spec.rb

@@ -1,4 +1,4 @@
-require File.dirname(__FILE__) + '/../spec_helper'
+require 'spec_helper'
 
 describe Spree::Variant do
   context "#destroy" do