if err != nil {
			t.Error(err)
			continue
		}
		if h.RCode != tt.rcode {
			t.Errorf("got %v from %v; want %v", h.RCode, tt.server, tt.rcode)
			continue
		}
	}
}

func TestDNSTransportNoFallbackOnTCP(t *testing.T) {
	fake := fakeDNSServer{
		rh: func(n, _ string, q dnsmessage.Message, _ time.Time) (dnsmessage.Message, error) {
			r := dnsmessage.Message{
				Header: dnsmessage.Header{