io.mockk.MockKException: Bad recording sequence. Please finalize every { ... } block with returns/answers/just Runs

• MockK version: 1.8.13
• OS: Android
• Kotlin version: 1.3.10
• JDK version: 1.8
• JUnit version: 5
• Type of test: unit test OR android instrumented test

Stack trace

io.mockk.MockKException: Bad recording sequence. Please finalize every { ... } block with returns/answers/just Runs

class NoPermissionsPresenterTest : RxSpek({
    val view = mockk<NoPermissionsContract.View> {
        every { onVisibilityChangeObservable } returns Observable.just(true)
    }
    val navigator = mockk<NoPermissionsContract.Navigator> {
        every { back() } returns Unit
    }

    val rxPermissions = mockk<RxPermissions> {
        every { isGranted(any()) } returns true
    }
    val presenter by memoized(CachingMode.GROUP) {
        NoPermissionsPresenter(
            rxPermissions = rxPermissions,
            navigator = navigator
        )
    }

    describe("NoPermissionsPresenter tests") {
        describe("view observables") {
            beforeGroup {
                presenter.attachView(view)
            }
            on("visibility change to true") {
               view.onVisibilityChangeObservable.test()
                it("check permissions") {
                    verify { rxPermissions.isGranted("") }
                }
                it("navigates back") {
                    verify { navigator.back() }
                }
            }
        }
    }
})