Occasional flake stopping manager in apivalidations envtest

[mdbooth]

/kind bug

An example:
https://storage.googleapis.com/kubernetes-jenkins/pr-logs/pull/kubernetes-sigs_cluster-api-provider-openstack/2012/pull-cluster-api-provider-openstack-test/1780643147475324928/build-log.txt

  �[1mSTEP:�[0m Tearing down manager �[38;5;243m@ 04/17/24 17:20:20.381�[0m
  "level"=0 "msg"="Stopping and waiting for non leader election runnables"
  "level"=0 "msg"="Stopping and waiting for leader election runnables"
  "level"=0 "msg"="Stopping and waiting for caches"
  "level"=0 "msg"="Stopping and waiting for webhooks"
  �[38;5;9m[FAILED]�[0m in [DeferCleanup (Suite)] - /home/prow/go/src/sigs.k8s.io/cluster-api-provider-openstack/test/e2e/suites/apivalidations/suite_test.go:152 �[38;5;243m@ 04/17/24 17:20:25.384�[0m
  �[38;5;243m<< Timeline�[0m

  �[38;5;9m[FAILED] Timed out after 5.002s.
  Manager should stop
  Expected
      <chan struct {} | len:0, cap:0>: 0xc0008554a0
  to be closed�[0m
  �[38;5;9mIn �[1m[DeferCleanup (Suite)]�[0m�[38;5;9m at: �[1m/home/prow/go/src/sigs.k8s.io/cluster-api-provider-openstack/test/e2e/suites/apivalidations/suite_test.go:152�[0m �[38;5;243m@ 04/17/24 17:20:25.384�[0m
�[38;5;243m------------------------------�[0m

The default timeout is 1 second. I bumped it to 5, but it seems that is not enough. I doubt this is an actual code problem, but I wouldn't 100% rule it out.

[mdbooth]

@JoelSpeed I think this is in code I copied from you. I don't suppose you've seen this tearing down envtests, have you?

[JoelSpeed]

Have never seen issues with tearing down envtest before no, this is new to me

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[EmilienM]

@mdbooth still seeing it? not myself recently

[k8s-triage-robot]

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