Adds setting to enable or disable help page

spec/features/help_page_spec.rb

@@ -0,0 +1,29 @@
+require 'rails_helper'
+
+feature 'Help page' do
+
+  context 'Index' do
+
+    scenario 'Help menu and page is visible if feature is enabled' do
+      Setting['feature.help_page'] = true
+
+      visit root_path
+
+      expect(page).to have_link 'Help'
+
+      within('#navigation_bar') do
+        click_link 'Help'
+      end
+
+      expect(page).to have_content('CONSUL is a platform for citizen participation')
+    end
+
+    scenario 'Help menu and page is hidden if feature is disabled' do
+      Setting['feature.help_page'] = nil
+
+      visit root_path
+
+      expect(page).not_to have_link 'Help'
+    end
+  end
+end