anchor.diff:  
       final String testName = '${template}_test';
   
  -    processManager.runSync(<String>[
  +    ProcessResult result = processManager.runSync(<String>[
         flutterBin,
         ...getLocalEngineArguments(),
         'create',
  
positive.code: 
  import 'package:file_testing/file_testing.dart';
  import 'package:flutter_tools/src/base/file_system.dart';
  
  import '../src/common.dart';
  import 'test_utils.dart';
  
negative.code:       '--platforms=android',
        testName,
      ], workingDirectory: tempDir.path);
      if (result.exitCode != 0) {
        throw Exception('flutter create failed: ${result.exitCode}\n${result.stderr}\n${result.stdout}');
      }
  
      final Directory exampleAppDir =
          tempDir.childDirectory(testName).childDirectory('example');
  