đã tạo được test case của createUser

vendor/php-webdriver/webdriver/lib/Exception/InvalidCookieDomainException.php

@@ -0,0 +1,10 @@
+<?php
+
+namespace Facebook\WebDriver\Exception;
+
+/**
+ * An illegal attempt was made to set a cookie under a different domain than the current page.
+ */
+class InvalidCookieDomainException extends WebDriverException
+{
+}