đã tạo được test case của createUser

vendor/php-webdriver/webdriver/lib/Interactions/Internal/WebDriverButtonReleaseAction.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace Facebook\WebDriver\Interactions\Internal;
+
+use Facebook\WebDriver\WebDriverAction;
+
+/**
+ * Move to the location and then release the mouse key.
+ */
+class WebDriverButtonReleaseAction extends WebDriverMouseAction implements WebDriverAction
+{
+    public function perform()
+    {
+        $this->mouse->mouseUp($this->getActionLocation());
+    }
+}