}
	candidates, nodeStatuses, err := ev.DryRunPreemption(ctx, pod, potentialNodes, pdbs, offset, numCandidates)
	for node, nodeStatus := range unschedulableNodeStatus {
		nodeStatuses[node] = nodeStatus
	}
	return candidates, nodeStatuses, err
}

// callExtenders calls given <extenders> to select the list of feasible candidates.

	// Prepare 4 nodes names.
	nodeNames := []string{"node1", "node2", "node3", "node4"}
	tests := []struct {
		name          string
		nodesStatuses framework.NodeToStatusMap
		expected      sets.Set[string] // set of expected node names.
	}{
		{
			name: "No node should be attempted",
			nodesStatuses: framework.NodeToStatusMap{
				"node1": framework.NewStatus(framework.UnschedulableAndUnresolvable, nodeaffinity.ErrReasonPod),