đã tạo được test case của createUser

vendor/php-webdriver/webdriver/lib/WebDriverRadios.php

@@ -0,0 +1,52 @@
+<?php
+
+namespace Facebook\WebDriver;
+
+use Facebook\WebDriver\Exception\InvalidElementStateException;
+use Facebook\WebDriver\Exception\UnsupportedOperationException;
+
+/**
+ * Provides helper methods for radio buttons.
+ */
+class WebDriverRadios extends AbstractWebDriverCheckboxOrRadio
+{
+    public function __construct(WebDriverElement $element)
+    {
+        parent::__construct($element);
+
+        $this->type = $element->getAttribute('type');
+        if ($this->type !== 'radio') {
+            throw new InvalidElementStateException('The input must be of type "radio".');
+        }
+    }
+
+    public function isMultiple()
+    {
+        return false;
+    }
+
+    public function deselectAll()
+    {
+        throw new UnsupportedOperationException('You cannot deselect radio buttons');
+    }
+
+    public function deselectByIndex($index)
+    {
+        throw new UnsupportedOperationException('You cannot deselect radio buttons');
+    }
+
+    public function deselectByValue($value)
+    {
+        throw new UnsupportedOperationException('You cannot deselect radio buttons');
+    }
+
+    public function deselectByVisibleText($text)
+    {
+        throw new UnsupportedOperationException('You cannot deselect radio buttons');
+    }
+
+    public function deselectByVisiblePartialText($text)
+    {
+        throw new UnsupportedOperationException('You cannot deselect radio buttons');
+    }
+}