Adding accessibility tests

Tests/UrlTest.php

+<?php namespace Modules\User\Tests;
+
+use Cartalyst\Sentinel\Laravel\Facades\Sentinel;
+use Illuminate\Support\Facades\Config;
+
+class UrlTest extends \TestCase
+{
+    /** @test */
+    public function userIndexShouldBeAccessible()
+    {
+        $user = Sentinel::findById(4);
+        Sentinel::login($user);
+
+        $uri = '/' . Config::get('core::core.admin-prefix') . '/users';
+        $crawler = $this->client->request('GET', $uri);
+
+        $this->assertTrue($this->client->getResponse()->isOk());
+
+        $this->assertCount(1, $crawler->filter('h1:contains("Users")'));
+    }
+}