adds settings area to admin

spec/features/admin/settings_spec.rb

@@ -0,0 +1,30 @@
+require 'rails_helper'
+
+feature 'Admin settings' do
+
+  background do
+    @setting1 = create(:setting)
+    @setting2 = create(:setting)
+    @setting3 = create(:setting)
+    login_as(create(:administrator).user)
+  end
+
+  scenario 'Index' do
+    visit admin_settings_path
+
+    expect(page).to have_content @setting1.key.classify
+    expect(page).to have_content @setting2.key.classify
+    expect(page).to have_content @setting3.key.classify
+  end
+
+  scenario 'Update' do
+    visit admin_settings_path
+
+    within("#edit_setting_#{@setting2.id}") do
+      fill_in "setting_#{@setting2.id}", with: 'Super Users of level 2'
+      click_button 'Update Setting'
+    end
+
+    expect(page).to have_content 'Setting updated!'
+  end
+end