diff --git a/go/src/v.io/mojo/discovery/apptest/global_discovery_apptest.go b/go/src/v.io/mojo/discovery/apptest/global_discovery_apptest.go
index 6dabf9f..72a65f5 100644
--- a/go/src/v.io/mojo/discovery/apptest/global_discovery_apptest.go
+++ b/go/src/v.io/mojo/discovery/apptest/global_discovery_apptest.go
@@ -46,11 +46,13 @@
 func AppTestGlobalDiscoveryBasic(t *testing.T, mctx application.Context) {
 	ads := []mojom.Advertisement{
 		{
-			Id:        &[internal.AdIdLen]uint8{1, 2, 3},
-			Addresses: []string{"/h1:123/x"},
+			Id:            &[internal.AdIdLen]uint8{1, 2, 3},
+			Addresses:     []string{"/h1:123/x"},
+			InterfaceName: "foo/bar/baz",
 		},
 		{
-			Addresses: []string{"/h1:123/y"},
+			Addresses:     []string{"/h1:123/y"},
+			InterfaceName: "foo/bar/baz",
 		},
 	}