--- Command "vm" (took 17.000585s):
DART_CONFIGURATION=ReleaseX64 out/ReleaseX64/dart --sound-null-safety -Dtest_runner.configuration=vm-linux-release-x64 --ignore-unrecognized-flags --packages=/b/s/w/ir/.dart_tool/package_config.json /b/s/w/ir/pkg/vm_service/test/get_perfetto_cpu_samples_rpc_test.dart

exit code:
255

stdout:
00:00 +0: get_perfetto_cpu_samples_rpc_test.dart

** Launching SERVICE_TEST_TESTEE=true out/ReleaseX64/dart --pause-isolates-on-exit --disable-service-auth-codes --profiler --profiler=true --profile_period=100 --sound-null-safety -Dtest_runner.configuration=vm-linux-release-x64 --ignore-unrecognized-flags --packages=/b/s/w/ir/.dart_tool/package_config.json --enable-vm-service:0 /b/s/w/ir/pkg/vm_service/test/get_perfetto_cpu_samples_rpc_test.dart

>testee>out> The Dart VM service is listening on http://127.0.0.1:36963/
>testee>out> The Dart DevTools debugger and profiler is available at: http://127.0.0.1:36963/devtools/?uri=ws://127.0.0.1:36963/ws
>testee>out> Testee doing something.
>testee>out> Testee did something.
** Signaled to run test queries on http://127.0.0.1:36963/

>testee>out> 
Done loading VM

get_perfetto_cpu_samples_rpc_test.dart [1/2]

get_perfetto_cpu_samples_rpc_test.dart [2/2]

Requesting CPU samples within the filter window of timeOriginNanos=2545297456000 and timeExtentNanos=9448090000

The returned CPU samples span a time window of timeOriginNanos=2545345222000 and timeExtentNanos=9400324000

00:11 +0 -1: get_perfetto_cpu_samples_rpc_test.dart [E]

  Expected: <38072>
    Actual: <37880>
  

  package:matcher/src/expect/expect.dart 152:31                     fail
  package:matcher/src/expect/expect.dart 147:3                      _expect
  package:matcher/src/expect/expect.dart 56:3                       expect
  pkg/vm_service/test/get_perfetto_cpu_samples_rpc_test.dart 120:5  tests.<fn>
  ===== asynchronous gap ===========================
  pkg/vm_service/test/common/test_helper.dart 375:13                _ServiceTesterRunner.run.<fn>
  ===== asynchronous gap ===========================
  package:test_api/src/backend/declarer.dart 229:9                  Declarer.test.<fn>.<fn>
  ===== asynchronous gap ===========================
  package:test_api/src/backend/declarer.dart 227:7                  Declarer.test.<fn>
  ===== asynchronous gap ===========================
  package:test_api/src/backend/invoker.dart 258:9                   Invoker._waitForOutstandingCallbacks.<fn>
  

All service tests completed successfully.

** Killing script

00:11 +0 -1: Some tests failed.



Consider enabling the flag chain-stack-traces to receive more detailed exceptions.
For example, 'dart test --chain-stack-traces'.

stderr:
Unhandled exception:
Dummy exception to set exit code.

--- Re-run this test:
python3 tools/test.py -n vm-linux-release-x64 pkg/vm_service/test/get_perfetto_cpu_samples_rpc_test