}
	}
}

var lookupGooglePublicDNSAddrTests = []string{
	"8.8.8.8",
	"8.8.4.4",
	"2001:4860:4860::8888",
	"2001:4860:4860::8844",
}

func TestLookupGooglePublicDNSAddr(t *testing.T) {
	mustHaveExternalNetwork(t)

	if !supportsIPv4() || !supportsIPv6() || !*testIPv4 || !*testIPv6 {
		t.Skip("both IPv4 and IPv6 are required")
	}

	defer dnsWaitGroup.Wait()