PeopleListTest#nopeople.kt

given("no people in repository"){
    val view: PeopleListContract.View = mock()
    val repository : Repository<Person> = mock {
        on { getAll() } doReturn Single.error(Error("no data"))
    }
    val presenter = PeopleListPresenter(repository)
    on("presenter attach"){
        presenter.attach(view)
        presenterAttachStandardFlow(view, presenter){
            it("should not add anything to view"){
                verify(view, never()).addPeople(any())
            }
            it("should display error in view"){
                verify(view).showError(any())
            }
        }
    }
}