anchor.diff:            ],
             "leak test alternative invalidation",
           ));
  +        startedDelayedProcess.complete();
         }();
       }
     }
  
positive.code: // for details. All rights reserved. Use of this source code is governed by a
  // BSD-style license that can be found in the LICENSE.md file.
  
  import 'dart:async' show Future;
  import 'dart:convert' show LineSplitter, utf8;
  import 'dart:io' show File, Platform, Process, exitCode;
  
  
negative.code:   }
  
    // Wait for everything to finish.
    await startedDelayedProcess.future;
    List<int> exitCodes =
        await Future.wait(startedProcesses.map((e) => e.process.exitCode));
    if (exitCodes.where((e) => e != 0).isNotEmpty) {
  