anchor.diff:           ], canFail: true);
           if (result == 0) {
             final Map<String, dynamic> data = json.decode(
  -            file('$testDirectory/build/start_up_info.json').readAsStringSync(),
  +            file('$testDirectory/$_testOutputDirectory/start_up_info.json').readAsStringSync(),
             ) as Map<String, dynamic>;
             results.add(data);
           } else {
  
positive.code:         data,
          detailFiles: <String>[
            if (saveTraceFile)
              '$testDirectory/build/$traceFilename.json',
          ],
          benchmarkScoreKeys: benchmarkScoreKeys ?? <String>[
            ..._kCommonScoreKeys,
  
negative.code:         hostAgent.dumpDirectory.path,
        ]);
        final Map<String, dynamic> data = json.decode(
          file('$testDirectory/$_testOutputDirectory/stack_size.json').readAsStringSync(),
        ) as Map<String, dynamic>;
  
        final Map<String, dynamic> result = <String, dynamic>{
  