--- /dev/null
+<?php
+
+namespace Behat\Mink\Tests\Driver\Custom;
+
+use Behat\Mink\Driver\Selenium2Driver;
+use Behat\Mink\Tests\Driver\TestCase;
+
+class WebDriverTest extends TestCase
+{
+ public function testGetWebDriverSessionId()
+ {
+ /** @var Selenium2Driver $driver */
+ $driver = $this->getSession()->getDriver();
+ $this->assertNotEmpty($driver->getWebDriverSessionId(), 'Started session has an ID');
+
+ $driver = new Selenium2Driver();
+ $this->assertNull($driver->getWebDriverSessionId(), 'Not started session don\'t have an ID');
+ }
+}