@RunWith(JUnitPlatform::class)
class MainPresenterTest : Spek({
    describe("a MainPresenter") {
        var mockView: MainMvp.View = mock()
        var mockModel: MainMvp.Model = mock()

        val presenter = MainPresenter(mockModel)

        beforeEachTest {
            mockView = mock()
            mockModel = mock()
            presenter.attachView(mockView)
        }

        on("create clicked") {
            beforeEachTest {
                presenter.onAddClicked()
            }
            it("should navigate to Create") {
                verify(mockView, times(1)).navigateToCreate()
            }
        }

        afterEachTest {
            presenter.detachView(false)
        }

    }

})

//Result:
Dec 21, 2016 4:24:56 PM org.junit.platform.launcher.core.ServiceLoaderTestEngineRegistry loadTestEngines
INFO: Discovered TestEngines with IDs: [spek]

org.jetbrains.spek.engine.SpekException: You're not allowed to do this