đã tạo được test case của createUser

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

@@ -0,0 +1,51 @@
+<?php declare(strict_types=1);
+
+namespace Facebook\WebDriver\Exception\Internal;
+
+use Facebook\WebDriver\Exception\PhpWebDriverExceptionInterface;
+
+/**
+ * Exception thrown on invalid or unexpected server response.
+ */
+class UnexpectedResponseException extends \RuntimeException implements PhpWebDriverExceptionInterface
+{
+    public static function forError(string $message): self
+    {
+        return new self($message);
+    }
+
+    public static function forElementNotArray($response): self
+    {
+        return new self(
+            sprintf(
+                "Unexpected server response for getting an element. Expected array, but the response was: '%s'\n",
+                print_r($response, true)
+            )
+        );
+    }
+
+    public static function forJsonDecodingError(int $jsonLastError, string $rawResults): self
+    {
+        return new self(
+            sprintf(
+                "JSON decoding of remote response failed.\n" .
+                "Error code: %d\n" .
+                "The response: '%s'\n",
+                $jsonLastError,
+                $rawResults
+            )
+        );
+    }
+
+    public static function forCapabilitiesRetrievalError(\Exception $previousException): self
+    {
+        return new self(
+            sprintf(
+                'Existing Capabilities were not provided, and they also cannot be read from Selenium Grid'
+                . ' (error: "%s"). You are probably not using Selenium Grid, so to reuse the previous session,'
+                . ' Capabilities must be explicitly provided to createBySessionID() method.',
+                $previousException->getMessage()
+            )
+        );
+    }
+}