🧑‍🌾 Flaky test INTEGRATION_ackermann_steering_system on gz-gazebo3 and gz-gazebo6

[Crola1702]

Environment

• OS Version: Ubuntu Focal, Homebrew
• Source gz-gazebo3 and gz-gazebo6 latest

Description

• Expected behavior: INTEGRATION_ackermann_steering_system test should pass
• Actual behavior: INTEGRATION_ackermann_steering_system is failing sometimes

Steps to reproduce

1. Run a build in in one of the following jobs (gazebo3-homebrew, gazebo3-focal, gazebo6-homebrew, gazebo6-focal)
2. See test fail (if lucky)

Output

Reference build: https://build.osrfoundation.org/job/ignition_gazebo-ci-ign-gazebo3-homebrew-amd64/290/

Log output (INTEGRATION_ackermann_steering_system):

57: [Dbg] [EntityComponentManager.cc:643] Using components of type [14423792621074650228] / [ign_gazebo_components.JointVelocityCmd].
57: [Dbg] [EntityComponentManager.cc:643] Using components of type [9436740692853731264] / [ign_gazebo_components.JointPosition].
57: /Users/jenkins/jenkins-agent/workspace/ignition_gazebo-ci-ign-gazebo3-homebrew-amd64/ign-gazebo/test/integration/ackermann_steering_system.cc:422: Failure
57: Expected equality of these values:
57:   odomPoses.size()
57:     Which is: 3
57:   tfPoses.size()
57:     Which is: 2
57: [Dbg] [SimulationRunner.cc:533] Exiting postupdate worker thread (1)
57: [Dbg] [SimulationRunner.cc:533] Exiting postupdate worker thread (0)
57: [  FAILED  ] ServerRepeat/AckermannSteeringTest.TfPublishes/0, where GetParam() = 1 (889 ms)

Statistics for the last 2 months:

job_name	last_time	first_time	build_count	failure_count	failure_percentage
ignition_gazebo-ci-ign-gazebo3-homebrew-amd64	2023-05-10	2021-04-23	12	1	8.33 %
ignition_gazebo-ci-ign-gazebo3-focal-amd64	2023-05-10	2022-01-05	20	2	10.0 %
ignition_gazebo-ci-ign-gazebo6-homebrew-amd64	2023-05-08	2021-09-29	12	3	25.0 %
ignition_gazebo-ci-ign-gazebo6-focal-amd64	2023-05-05	2022-01-05	19	3	15.79 %

[azeey]

Could be fixed by #1989

[claraberendsen]

@azeey was the fix in #1989 ported to ign-gazebo3?
We started seeing this again sporadically in ign-gazebo-3

• Build 323
• Build 321

[Crola1702]

Closing as this hasn't happened since 2023-10-31