expected := errors.New("fake")
	inst.RunComponent("fake", func(stop <-chan struct{}) error {
		return expected
	})

	stop := newReclosableChannel()
	t.Cleanup(stop.Close)
	g.Expect(inst.Start(stop.c)).To(Equal(expected))
}

func TestStartWithNoError(t *testing.T) {
	g := NewWithT(t)

	inst := server.New()
	c := newFakeComponent(0, test.NewStop(t))
	inst.RunComponent("fake", c.Run)

	stop := newReclosableChannel()

// so the function should start a go routine if it needs to do anything blocking
func (s *Server) addStartFunc(name string, fn server.Component) {
	s.server.RunComponent(name, fn)
}

// adds a readiness probe for Istiod Server.
func (s *Server) addReadinessProbe(name string, fn readinessProbe) {
	s.readinessProbes[name] = fn
}