Get Laravel Dusk installed using PhantomJS so it can work with Travis CI easily

tests/Browser/Pages/Page.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace Tests\Browser\Pages;
+
+use Laravel\Dusk\Page as BasePage;
+
+abstract class Page extends BasePage
+{
+    /**
+     * Get the global element shortcuts for the site.
+     *
+     * @return array
+     */
+    public static function siteElements()
+    {
+        return [
+            '@element' => '#selector',
+        ];
+    }
+}