res[f.GetName()] = string(cfgJSON)
					} else {
						w := &httpwasm.Wasm{}

						if err := f.GetTypedConfig().UnmarshalTo(w); err != nil {
							t.Fatal(err)
						}
						cfg := &wrappers.StringValue{}
						if err := w.GetConfig().GetConfiguration().UnmarshalTo(cfg); err != nil {
							t.Fatal(err)
						}
						if _, dupe := res[f.GetName()]; dupe {

	assertResources := func(resp *discovery.DeltaDiscoveryResponse, names ...string) {
		t.Helper()
		got := slices.Map(resp.Resources, (*discovery.Resource).GetName)

		assert.Equal(t, sets.New(got...), sets.New(names...).Merge(base))
	}
	s := xds.NewFakeDiscoveryServer(t, xds.FakeOptions{})
	addTestClientEndpoints(s.MemRegistry)

		}
	}
	if !anySet {
		log.Debugf("%v: none set, skipping", desc)
		return chains
	}
	for i, c := range chains {
		if match(c.GetFilterChainMatch()) {
			log.Debugf("%v: matched chain %v/%v", desc, i, c.GetName())
			res = append(res, c)
		}
	}
	// Return all matching filter chains
	if len(res) > 0 {
		return res
	}
	// Unless there were no matches - in which case we return all filter chains that did not have a