Update test badge

Signed-off-by: Matt Friedman <maf675@gmail.com>

Author: iMattPro

README.md

@@ -2,7 +2,7 @@
 
 This is the repository for the development of the phpBB Browser Push Notifications extension.
 
-[![Build Status](https://github.com/phpbb-extensions/webpushnotifications/workflows/Tests/badge.svg)](https://github.com/phpbb-extensions/webpushnotifications/actions)
+[![Build Status](https://github.com/phpbb-extensions/webpushnotifications/actions/workflows/tests.yml/badge.svg)](https://github.com/phpbb-extensions/webpushnotifications/actions)
 
 An official phpBB extension that allows board users to receive browser-based push notifications.