[flutter_gallery__transition_perf_e2e_ios] [STDOUT] stdout: 2021-03-11 14:06:35.574133-0800 Flutter Gallery[465:35682] flutter: (The following exception is now available via WidgetTester.takeException:)
[flutter_gallery__transition_perf_e2e_ios] [STDOUT] stdout: 2021-03-11 14:06:35.574622-0800 Flutter Gallery[465:35682] flutter: Bad state: No element
[flutter_gallery__transition_perf_e2e_ios] [STDOUT] stdout: 2021-03-11 14:06:35.577772-0800 Flutter Gallery[465:35682] flutter: #0      ListMixin.reduce (dart:collection/list.dart:222)
[flutter_gallery__transition_perf_e2e_ios] [STDOUT] stdout: 2021-03-11 14:06:35.579933-0800 Flutter Gallery[465:35682] flutter: #1      new FrameTimingSummarizer (package:flutter_test/src/frame_timing_summarizer.dart:46)
[flutter_gallery__transition_perf_e2e_ios] [STDOUT] stdout: 2021-03-11 14:06:35.580363-0800 Flutter Gallery[465:35682] flutter: #2      IntegrationTestWidgetsFlutterBinding.watchPerformance (package:integration_test/integration_test.dart:318)