Move model spec into validations block

spec/models/spree/product_spec.rb

@@ -9,28 +9,6 @@ module Spree
       it { should have_many(:product_distributions) }
     end
     
-    describe "validating tax category" do
-      context "when a tax category is required" do
-        before { Spree::Config.products_require_tax_category = true }
-    
-        it "is invalid when a tax category is not provided" do
-          product = create(:product)
-          product.tax_category_id = nil
-          product.should_not be_valid
-        end
-      end
-    
-      context "when a tax category is not required" do
-        before { Spree::Config.products_require_tax_category = false }
-    
-        it "is valid when a tax category is not provided" do
-          product = create(:product)
-          product.tax_category_id = nil
-          product.should be_valid
-        end
-      end
-    end
-
     describe "validations and defaults" do
       it "is valid when created from factory" do
         create(:product).should be_valid
@@ -63,6 +41,29 @@ module Spree
         product.available_on.should == Time.now
       end
 
+      describe "tax category" do
+        context "when a tax category is required" do
+          before { Spree::Config.products_require_tax_category = true }
+
+          it "is invalid when a tax category is not provided" do
+            product = create(:product)
+            product.tax_category_id = nil
+            product.should_not be_valid
+          end
+        end
+
+        context "when a tax category is not required" do
+          before { Spree::Config.products_require_tax_category = false }
+
+          it "is valid when a tax category is not provided" do
+            product = create(:product)
+            product.tax_category_id = nil
+            product.should be_valid
+          end
+        end
+      end
+
+
       context "when the product has variants" do
         let(:product) do
           product = create(:simple_product)