Tests: fix worker restarts for failed browser acknowledgements

Close gh-5440

diff --git a/test/runner/browserstack/browsers.js b/test/runner/browserstack/browsers.js
index 218d13fe72edd18ae98fbf1b336f6bca7188a869..6489cf9656dadb031882211e7ca95cc41a87f488 100644 (file)
--- a/test/runner/browserstack/browsers.js
+++ b/test/runner/browserstack/browsers.js
@@ -92,7 +92,7 @@ async function ensureAcknowledged( worker ) {
                return worker;
        } catch ( error ) {
                console.error( error.message );
-               await restartWorker( worker.browser );
+               await restartWorker( worker );
        }
 }