06:32 +53 ~1 -13: test\run_test.dart: run.dart script runs A/B test [E]                                                                                                                                
  Expected: contains 'A/B results so far\n'
              '\n'
              'Score\tAverage A (noise)\tAverage B (noise)\tSpeed-up\n'
              'metric1\t42.00 (0.00%)\t42.00 (0.00%)\t1.00x\t\n'
              'metric2\t123.00 (0.00%)\t123.00 (0.00%)\t1.00x\t\n'
              ''
    Actual: 'smoke_test_success A/B test. Will run 2 times.\r\n'
              '\r\n'
              '\r\n'
              'Run #1\r\n'
              '\r\n'
              'Running with the default engine (A)\r\n'
              'Executing "C:\\b\\s\\w\\ir\\x\\w\\flutter\\bin\\cache\\dart-sdk\\bin\\dart --disable-dart-dev --enable-vm-service=0 --no-pause-isolates-on-exit bin/tasks/smoke_test_success.dart" in "C:\\b\\s\\w\\ir\\x\\w\\flutter\\dev\\devicelab" with environment {BOT: true, LANG: en_US.UTF-8}\r\n'
              '[smoke_test_success] [STDOUT] The Dart VM service is listening on [http://127.0.0.1:54741/gSwWaQhujIs=/\n](http://127.0.0.1:54741/gSwWaQhujIs=/%5cn)'
              '[smoke_test_success] [STDOUT] SEVERE: 2022-02-19 12:52:58.863067: Task did not start in 0:01:00.000000.\n'
              ''