Azure: Fix a flaky test for azure vmss. #90834
Merged
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What type of PR is this?
/kind flake
What this PR does / why we need it:
The test
TestEnsureBackendPoolDeletedConcurrently
is flaky because there's a potential race condition if multiple goroutines are working on the same VMSS. This PR fixes it and test the performance ofEnsureBackendPoolDeleted
on multiple scale sets concurrently.Which issue(s) this PR fixes:
Fixes #90816
Special notes for your reviewer:
Does this PR introduce a user-facing change?:
Additional documentation e.g., KEPs (Kubernetes Enhancement Proposals), usage docs, etc.:
/area provider/azure
/priority important-soon
/sig cloud-provider