đã tạo được test case của createUser

vendor/php-webdriver/webdriver/lib/Exception/Internal/WebDriverCurlException.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace Facebook\WebDriver\Exception\Internal;
+
+/**
+ * @deprecated To be replaced with UnexpectedResponseException in 2.0
+ */
+class WebDriverCurlException extends UnexpectedResponseException
+{
+    public static function forCurlError(string $httpMethod, string $url, string $curlError, ?array $params): self
+    {
+        $message = sprintf('Curl error thrown for http %s to %s', $httpMethod, $url);
+
+        if (!empty($params)) {
+            $message .= sprintf(' with params: %s', json_encode($params, JSON_UNESCAPED_SLASHES));
+        }
+
+        $message .= "\n\n" . $curlError;
+
+        return new self($message);
+    }
+}