From 776cf24764997c39f4e17bc9190c05e147c874a0 Mon Sep 17 00:00:00 2001
From: Mikkel Nygaard Ravn <mravn@google.com>
Date: Fri, 20 Apr 2018 19:31:43 +0200
Subject: [PATCH] Make flutter_driver work with sync-async (#16798)

---
 packages/flutter_driver/lib/src/extension/extension.dart | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/packages/flutter_driver/lib/src/extension/extension.dart b/packages/flutter_driver/lib/src/extension/extension.dart
index 2c892401d62..fbad12d7193 100644
--- a/packages/flutter_driver/lib/src/extension/extension.dart
+++ b/packages/flutter_driver/lib/src/extension/extension.dart
@@ -206,6 +206,9 @@ class FlutterDriverExtension {
 
   /// Runs `finder` repeatedly until it finds one or more [Element]s.
   Future<Finder> _waitForElement(Finder finder) async {
+    // TODO(mravn): This method depends on async execution. A refactoring
+    // for sync-async semantics is tracked in https://github.com/flutter/flutter/issues/16801.
+    await new Future<void>.value(null);
     if (_frameSync)
       await _waitUntilFrame(() => SchedulerBinding.instance.transientCallbackCount == 0);