}
	for _, inst := range instances {
		if inst.Service.Hostname != mock.WorldService.Hostname {
			t.Fatal("Returned Instance is incorrect")
		}
	}
}

func TestGetProxyWorkloadLabels(t *testing.T) {
	// If no registries return workload labels, we must return nil, rather than an empty list.
	// This ensures callers can distinguish between no labels, and labels not found.