Add test for the case when user can't prioritize labels

spec/features/projects/labels/update_prioritization_spec.rb

@@ -3,6 +3,7 @@ require 'spec_helper'
 feature 'Prioritize labels', feature: true do
   include WaitForAjax
 
+  context 'when project belongs to user' do
     let(:user)    { create(:user) }
     let(:project) { create(:project, name: 'test', namespace: user.namespace) }
 
@@ -75,4 +76,33 @@ feature 'Prioritize labels', feature: true do
         expect(page.all('li').last).to have_content('bug')
       end
     end
+  end
+
+  context 'as a guest' do
+    it 'can not prioritize labels' do
+      user = create(:user)
+      guest = create(:user)
+      project = create(:project, name: 'test', namespace: user.namespace)
+
+      create(:label, title: 'bug')
+
+      login_as guest
+      visit namespace_project_labels_path(project.namespace, project)
+
+      expect(page).not_to have_css('.prioritized-labels')
+    end
+  end
+
+  context 'as a non signed in user' do
+    it 'can not prioritize labels' do
+      user = create(:user)
+      project = create(:project, name: 'test', namespace: user.namespace)
+
+      create(:label, title: 'bug')
+
+      visit namespace_project_labels_path(project.namespace, project)
+
+      expect(page).not_to have_css('.prioritized-labels')
+    end
+  end
 end