11987: duplicate product without raising error

lib/spree/core/product_duplicator.rb

@@ -11,7 +11,7 @@ module Spree
 
       def duplicate
         new_product = duplicate_product
-        new_product.save!
+        new_product.save
         new_product
       end
 

spec/models/spree/product_spec.rb

@@ -11,10 +11,18 @@ module Spree
       context '#duplicate' do
         it 'duplicates product' do
           clone = product.duplicate
+
+          expect(clone).to be_persisted
           expect(clone.name).to eq 'COPY OF ' + product.name
           expect(clone.sku).to eq ""
           expect(clone.image).to eq product.image
         end
+
+        it 'fails to duplicate the product' do
+          pending 'test for all the use cases by which the +product.save+ would return false.'
+          clone = product.duplicate
+          expect(clone).not_to be_persisted
+        end
       end
 
       context "product has variants" do