flaking unit test in `TestReconcileMachinePoolMachines`

[cahillsf]

Which jobs are flaking?

these failures are apparent in periodic-cluster-api-test-mink8s-main and periodic-cluster-api-test-main

Which tests are flaking?

TestReconcileMachinePoolMachines/Reconcile_MachinePool_Machines/Should_create_two_machines_if_two_infra_machines_exist

Since when has it been flaking?

at least since 20214-07-06: https://storage.googleapis.com/k8s-triage/index.html?date=2024-07-20&text=TestReconcileMachinePoolMachines%2FReconcile_MachinePool_Machines%2FShould_create_two_machines_if_two_infra_machines_exist&job=.*cluster-api.*(test%7Ce2e)-(mink8s-)*main&xjob=.*-provider-.*

Testgrid link

https://prow.k8s.io/view/gs/kubernetes-jenkins/logs/periodic-cluster-api-test-mink8s-main/1824877164462346240

Reason for failure (if possible)

No response

Anything else we need to know?

No response

Label(s) to be applied

/kind flake One or more /area label. See https://github.com/kubernetes-sigs/cluster-api/labels?q=area for the list of labels.

[cahillsf]

/area machinepool

[sbueringer]

Yup. I saw a bunch of flakes around MachinePool unit tests as well

/triage accepted

/help

[k8s-ci-robot]

@sbueringer: This request has been marked as needing help from a contributor.

Guidelines

Please ensure that the issue body includes answers to the following questions:

• Why are we solving this issue?
• To address this issue, are there any code changes? If there are code changes, what needs to be done in the code and what places can the assignee treat as reference points?
• Does this issue have zero to low barrier of entry?
• How can the assignee reach out to you for help?

For more details on the requirements of such an issue, please see here and ensure that they are met.

If this request no longer meets these requirements, the label can be removed by commenting with the /remove-help command.

In response to [this](https://github.com/kubernetes-sigs/cluster-api/issues/11070): >Yup. I saw a bunch of flakes around MachinePool unit tests as well > >/triage accepted > >/help Instructions for interacting with me using PR comments are available [here](https://git.k8s.io/community/contributors/guide/pull-requests.md). If you have questions or suggestions related to my behavior, please file an issue against the [kubernetes-sigs/prow](https://github.com/kubernetes-sigs/prow/issues/new?title=Prow%20issue:) repository.

[cahillsf]

/assign cahillsf

cannot reproduce this issue locally, have opened a draft that seems to use preferred methods in this unit test, see PR for details. hopefully this will improve the stability of this test

[sbueringer]

Would be great if some folks familiar with Machine Pools / MachinePool Machines can review #11124

(cc @Jont828 @willie-yao)

[sbueringer]

/reopen

I assume we want to keep this issue open for now as we're not sure if the PR will fix all flakes

[k8s-ci-robot]

@sbueringer: Reopened this issue.

In response to [this](https://github.com/kubernetes-sigs/cluster-api/issues/11070#issuecomment-2325102621): >/reopen > >I assume we want to keep this issue open for now as we're not sure if it will fix all flakes Instructions for interacting with me using PR comments are available [here](https://git.k8s.io/community/contributors/guide/pull-requests.md). If you have questions or suggestions related to my behavior, please file an issue against the [kubernetes-sigs/prow](https://github.com/kubernetes-sigs/prow/issues/new?title=Prow%20issue:) repository.

[cahillsf]

/reopen

I assume we want to keep this issue open for now as we're not sure if the PR will fix all flakes

Yep sounds good, will track the test and revisit

---

edit: adding k8s-triage link https://storage.googleapis.com/k8s-triage/index.html?text=TestReconcileMachinePoolMachines&job=.*cluster-api-(test%7Ce2e)-(mink8s-)*main