Fix generated destroy specs

Author: klyonrad

lib/generators/rspec/scaffold/templates/request_spec.rb

@@ -106,13 +106,13 @@
     it "destroys the requested <%= ns_file_name %>" do
       <%= file_name %> = <%= class_name %>.create! valid_attributes
       expect {
-        delete "/<%= ns_table_name %>/<%= file_name %>.id"
+        delete <%= "#{singular_table_name}_url(#{file_name})" %>
       }.to change(<%= class_name %>, :count).by(-1)
     end
 
     it "redirects to the <%= table_name %> list" do
       <%= file_name %> = <%= class_name %>.create! valid_attributes
-      delete "/<%= ns_table_name %>/<%= file_name %>.id"
+      delete <%= "#{singular_table_name}_url(#{file_name})" %>
       expect(response).to redirect_to(<%= "#{index_helper}_url" %>)
     end
   end