Wrote and passed admin dash controller tests

test/controllers/admin/dashboard_controller_test.rb

 require 'test_helper'
 class Admin::DashboardControllerTest < ActionDispatch::IntegrationTest
   test 'should get dashboard if logged in and admin' do
+    sign_in_as_admin
+    get admin_root_url
+    assert_response(:success)
+    assert_select 'h4' do
+      assert_select 'a', 4
+    end
   end
   test 'should not get dashboard if logged in but not admin' do
-
+    sign_in_as_tester
+    get admin_root_url
+    assert_response(:redirect)
+    assert_redirected_to(root_url)
+    assert_equal 'You must be admin to go there!', flash[:danger]
   end
   test 'should not get dashboard if not logged in' do
-
+    get admin_root_url
+    assert_response(:redirect)
+    assert_redirected_to(login_url)
+    assert_equal 'Login to view this content', flash[:danger]
   end
 
 end