Add first UI test example

tests/_support/_generated/AcceptanceTesterActions.php

@@ -1,4 +1,4 @@
-<?php  //[STAMP] 2e76aa3af27348105c7ae6ee2ebe1fae
+<?php  //[STAMP] d2bdd51f4bbf082434dc36c332acdb20
 namespace _generated;
 
 // This class was automatically generated by build task

tests/acceptance.suite.yml

@@ -8,5 +8,5 @@ class_name: AcceptanceTester
 modules:
     enabled:
         - PhpBrowser:
-            url: http://localhost/myapp
+            url: http://localhost:8080/grav
         - \Helper\Acceptance

tests/acceptance/GravCept.php

@@ -0,0 +1,7 @@
+<?php
+$I = new AcceptanceTester($scenario);
+$I->wantTo('perform actions and see result');
+$I->amOnPage('/');
+$I->seeInTitle("Home | Grav");
+$I->click('ul.navigation li:nth-child(6) a');
+$I->seeCurrentUrlEquals('/grav/typography');