}
		if !calls.Equal(tc) {
			t.Errorf("[%d] expected calls to equal testcase: %v vs %v", i, calls.List(), tc.List())
		}
	}
}

func TestIPAllocatorClusterIPMetrics(t *testing.T) {
	clearMetrics()
	// create IPv4 allocator
	cidrIPv4 := "10.0.0.0/24"
	_, clusterCIDRv4, _ := netutils.ParseCIDRSloppy(cidrIPv4)
	a, err := newTestAllocator(clusterCIDRv4)
	if err != nil {