diff --git a/tests/README.md b/tests/README.md
index 9960ba0c6..fb8a002c5 100644
--- a/tests/README.md
+++ b/tests/README.md
@@ -196,6 +196,7 @@ public function tearDown(): void
 > **Note:** If your plugin uses [configuration files](../plugin/settings#file-configuration), then you will need to run `System\Classes\PluginManager::instance()->registerAll(true);` in the `setUp` method of your tests.<br><br>Below is an example of a base test case class that should be used if you need to test your plugin working with other plugins instead of in isolation.
 
     use System\Classes\PluginManager;
+    use October\Core\Tests\PluginTestCase;
 
     class BaseTestCase extends PluginTestCase
     {