Add feature spec examples

With both logged in normal user and admin

spec/features/admin/dashboard_spec.rb

@@ -0,0 +1,15 @@
+require 'rails_helper'
+
+RSpec.describe 'Admin dashboard', type: :feature do
+  let(:user) { create :user }
+
+  before do
+    allow(user).to receive(:is_admin?).and_return(true)
+    login_as user, :scope => :user
+  end
+
+  scenario 'View dashboard' do
+    visit admin_root_path
+    expect(page).to have_content('Admin Panel')
+  end
+end