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Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>. Auto-calculate allowed-not-ready-nodes in test framework Actually we (sig-scalability) are pretty much the only users of this flag. This reduces the overhead of having to provide its value based on num-nodes each time we run our tests. /cc @wojtek-t ```release-note NONE ```