Only show Contribution Analytics tab when feature available

app/views/layouts/nav/_group.html.haml

@@ -24,6 +24,7 @@
       = link_to group_group_members_path(@group), title: 'Members' do
         %span
           Members
+    - if @group.feature_available?(:contribution_analytics)
       = nav_link(path: 'analytics#show') do
         = link_to group_analytics_path(@group), title: 'Contribution Analytics', data: {placement: 'right'} do
           %span

spec/views/layouts/nav/ee/_group.html.haml_spec.rb

+require 'spec_helper'
+
+describe 'layouts/nav/_group' do
+  before do
+    assign(:group, create(:group))
+  end
+
+  describe 'contribution analytics tab' do
+    it 'is not visible when there is no valid license' do
+      stub_licensed_features(contribution_analytics: false)
+
+      render
+
+      expect(rendered).not_to have_text 'Contribution Analytics'
+    end
+
+    it 'is not visible when there is no valid license' do
+      stub_licensed_features(contribution_analytics: true)
+
+      render
+
+      expect(rendered).to have_text 'Contribution Analytics'
+    end
+  end
+end