[3.5] Backport TestLessorRenewExtendPileup race condition fix

[lucasrod16]

Backport for #18538 fix

[k8s-ci-robot]

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[ahrtr]

/ok-to-test

[jmhbnz]

LGTM - Thanks @lucasrod16

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: ahrtr, jmhbnz, lucasrod16

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[jmhbnz]

/retitle [3.5] Backport TestLessorRenewExtendPileup race condition fix