} else {
		out += ".default.svc"
	}
	out += "." + constants.DefaultClusterSetLocalDomain
	return out
}

// HostnameVariants for a Kubernetes service.
// Results may be invalid for non k8s.
func (c Config) HostnameVariants() []string {
	ns := c.NamespaceName()
	if ns == "" {
		ns = "default"
	}
	return []string{
		c.Service,
		c.Service + "." + ns,

					if src.Config().HasSidecar() {
						t.Skip("TODO: sidecars don't properly handle use-waypoint")
					}
					for _, host := range apps.Captured.Config().HostnameVariants() {
						host := host
						t.NewSubTestf("to %s", host).Run(func(t framework.TestContext) {
							src.CallOrFail(t, echo.CallOptions{
								To:      apps.Captured,
								Address: host,