--- /dev/null
+<?php
+
+namespace Drupal\simpletest;
+
+use Drupal\Tests\BrowserTestBase as BaseBrowserTestBase;
+
+/**
+ * Provides a test case for functional Drupal tests.
+ *
+ * Tests extending BrowserTestBase must exist in the
+ * Drupal\Tests\yourmodule\Functional namespace and live in the
+ * modules/yourmodule/tests/src/Functional directory.
+ *
+ * @ingroup testing
+ *
+ * @see \Drupal\simpletest\WebTestBase
+ * @see \Drupal\Tests\BrowserTestBase
+ *
+ * @deprecated in Drupal 8.1.x, will be removed before Drupal 9.0.
+ * Use Drupal\Tests\BrowserTestBase instead.
+ */
+abstract class BrowserTestBase extends BaseBrowserTestBase {
+}