anchor.diff:    ).run;
   }
   
  -TaskFunction createSimpleAnimationPerfTest({bool measureCpuGpu = false}) {
  +TaskFunction createSimpleAnimationPerfTest({bool measureCpuGpu = true}) {
     return PerfTest(
       '${flutterDirectory.path}/dev/benchmarks/macrobenchmarks',
       'test_driver/run_app.dart',
  
positive.code:   const PerfTest.e2e(
      this.testDirectory,
      this.testTarget, {
      this.measureCpuGpu = false,
      this.measureMemory = false,
      this.testDriver =  'test_driver/e2e_test.dart',
      this.needsFullTimeline = false,
  
negative.code:   ).run;
  }
  
  TaskFunction createAnimatedPlaceholderPerfTest({bool measureCpuGpu = true}) {
    return PerfTest(
      '${flutterDirectory.path}/dev/benchmarks/macrobenchmarks',
      'test_driver/run_app.dart',
  