diff --git a/tools/tests/run.js b/tools/tests/run.js
index 908cdc8593..3be4636150 100644
--- a/tools/tests/run.js
+++ b/tools/tests/run.js
@@ -106,6 +106,7 @@ try {
   run.match('s.json: parse error reading settings file');
   run.match('Waiting for file change');
   s.write('s.json', '{}');
+  run.waitSecs(15);
   run.match('App running at');
   run.stop();