| Index: tests/lib/async/future_value_chain4_test.dart
 | 
| diff --git a/tests/lib/async/future_value_chain4_test.dart b/tests/lib/async/future_value_chain4_test.dart
 | 
| index 2c7b6527f7189ca21aba0a840434d92b14b3dce8..2f09cfe4fef4a9b6033f64650a896f14e0b43b54 100644
 | 
| --- a/tests/lib/async/future_value_chain4_test.dart
 | 
| +++ b/tests/lib/async/future_value_chain4_test.dart
 | 
| @@ -8,7 +8,7 @@ import 'dart:async';
 | 
|  
 | 
|  class MyFuture implements Future {
 | 
|    then(valueHandler, {onError}) {
 | 
| -    runAsync(() { valueHandler(499); });
 | 
| +    scheduleMicrotask(() { valueHandler(499); });
 | 
|    }
 | 
|    catchError(_) => null;
 | 
|    whenComplete(_) => null;
 | 
| 
 |