tests: fix UDP multicast transport tests with IPv6

A valid scope id is always required on the multicast address

Change-Id: Ic676fcde0ee50daf75eb38c137e3cb917f43699f
diff --git a/tests/daemon/face/tcp-udp-channel.t.cpp b/tests/daemon/face/tcp-udp-channel.t.cpp
index 6a29660..cd57b80 100644
--- a/tests/daemon/face/tcp-udp-channel.t.cpp
+++ b/tests/daemon/face/tcp-udp-channel.t.cpp
@@ -40,7 +40,7 @@
 {
   using Fixture = F;
   static constexpr AddressFamily ADDRESS_FAMILY = AF;
-  using Address = typename IpAddressFromFamily<AF>::type;
+  using Address = IpAddressTypeFromFamily<AF>;
 };
 
 using FixtureAndAddressList = boost::mpl::vector<