diff --git a/rendering/test.js b/rendering/test.js
index 1d69b30669..5f5c9b53a1 100755
--- a/rendering/test.js
+++ b/rendering/test.js
@@ -85,7 +85,7 @@ function serve(options) {
       options.log.info(
         `test server listening http://${address.address}:${address.port}/`
       );
-      resolve(() => server.close());
+      resolve(() => server.close(() => process.exit(0)));
     });
   });
 }