expression_evaluation_test is flaky in "expressions returning complex objects" #148704
Description
15:47 +84 ~1 -1: test/integration.shard/expression_evaluation_test.dart: flutter run expression evaluation - can evaluate expressions returning complex objects in build method [E]
[Sentinel kind: Collected, valueAsString: <collected>] from evaluate()
package:vm_service/src/vm_service.dart 265:34 new _OutstandingRequest
package:vm_service/src/vm_service.dart 1775:25 VmService._call.<fn>
package:vm_service/src/vm_service.dart 1787:8 VmService._call
package:vm_service/src/vm_service.dart 612:7 VmService.evaluate
test/integration.shard/test_driver.dart 362:37 FlutterTestDriver.evaluate.<fn>
===== asynchronous gap ===========================
test/integration.shard/test_driver.dart 479:7 FlutterTestDriver._timeoutWithMessages.<fn>
===== asynchronous gap ===========================
test/integration.shard/test_driver.dart 487:20 FlutterTestDriver._timeoutWithMessages.<fn>
===== asynchronous gap ===========================
test/integration.shard/expression_evaluation_test.dart 210:22 evaluateComplexReturningExpressions
===== asynchronous gap ===========================
test/integration.shard/expression_evaluation_test.dart 90:5 batch1.<fn>
Flaking a lot in PRs:
https://ci.chromium.org/ui/p/flutter/builders/try/Linux%20tool_integration_tests_4_4, for example https://ci.chromium.org/ui/p/flutter/builders/try/Linux%20tool_integration_tests_4_4/35267/overview