Remove redundant spec line, test that sells is not changed

spec/controllers/admin/enterprises_controller_spec.rb

@@ -272,7 +272,7 @@ module Admin
 
         context "setting 'sells' to 'own'" do
           before do
-            enterprise.sells = 'own'
+            enterprise.sells = 'none'
             enterprise.save!
           end
 
@@ -284,8 +284,7 @@ module Admin
                 expect(response).to redirect_to spree.admin_path
                 trial_expiry = Date.today.strftime("%Y-%m-%d")
                 expect(flash[:error]).to eq "Sorry, but you've already had a trial. Expired on: #{trial_expiry}"
-                expect(enterprise.reload.sells).to eq 'own'
-                expect(enterprise.reload.shop_trial_start_date).to eq (Date.today - 30.days).to_time
+                expect(enterprise.reload.sells).to eq 'none'
               end
             end
           end