--- /dev/null
+<?php
+
+namespace Drupal\simpletest;
+
+use Drupal\Tests\WebAssert as BaseWebAssert;
+
+/**
+ * Defines a class with methods for asserting presence of elements during tests.
+ *
+ * @deprecated in Drupal 8.1.1 will be removed before 9.0.0.
+ * This was moved to another namespace.
+ *
+ * @see \Drupal\Tests
+ */
+class WebAssert extends BaseWebAssert {
+}