val ipv4_10_0_0_4 = Inet4Address.getByName("10.0.0.4")
  val ipv6_ab = Inet6Address.getByName("::ac")
  val ipv6_fc = Inet6Address.getByName("::fc")

  @Test fun prioritiseIpv6Example() {
    val result =
      reorderForHappyEyeballs(
        listOf(
          ipv4_10_0_0_6,
          ipv4_10_0_0_1,
          ipv4_10_0_0_4,
          ipv6_ab,
          ipv6_fc,
        ),