added more specs

app/controllers/groups_controller.rb

@@ -82,6 +82,8 @@ class GroupsController < Groups::ApplicationController
     if Groups::UpdateService.new(@group, current_user, group_params).execute
       redirect_to edit_group_path(@group), notice: "Group '#{@group.name}' was successfully updated."
     else
+      @group.reload
+
       render action: "edit"
     end
   end

spec/controllers/groups_controller_spec.rb

@@ -122,8 +122,8 @@ describe GroupsController do
       allow_any_instance_of(Group).to receive(:move_dir).and_raise(Gitlab::UpdatePathError)
       post :update, id: group.to_param, group: { path: 'new_path' }
-      expect(response).to have_http_status(302)
-      expect(controller).to set_flash[:alert]
+      expect(assigns(:group).errors).not_to be_empty
+      expect(assigns(:group).path).not_to eq('new_path')
     end
   end
 end

spec/services/groups/update_service_spec.rb

@@ -59,8 +59,6 @@ describe Groups::UpdateService, services: true do
     end
     it 'returns true' do
-      puts internal_group.errors.full_messages
-
       expect(service.execute).to eq(true)
     end
@@ -82,6 +80,10 @@ describe Groups::UpdateService, services: true do
         expect(internal_group.errors.full_messages.first).to eq('Gitlab::UpdatePathError')
       end
+
+      it "hasn't changed the path" do
+        expect { service.execute}.not_to change { internal_group.reload.path}
+      end
     end
   end
 end