đã tạo được test case của createUser

vendor/laravel/dusk/src/Page.php

@@ -0,0 +1,44 @@
+<?php
+
+namespace Laravel\Dusk;
+
+abstract class Page
+{
+    /**
+     * Get the URL for the page.
+     *
+     * @return string
+     */
+    abstract public function url();
+
+    /**
+     * Assert that the browser is on the page.
+     *
+     * @param  \Laravel\Dusk\Browser  $browser
+     * @return void
+     */
+    public function assert(Browser $browser)
+    {
+        //
+    }
+
+    /**
+     * Get the element shortcuts for the page.
+     *
+     * @return array
+     */
+    public function elements()
+    {
+        return [];
+    }
+
+    /**
+     * Get the global element shortcuts for the site.
+     *
+     * @return array
+     */
+    public static function siteElements()
+    {
+        return [];
+    }
+}