CoThunkTestScope
fun <State> CoThunkTestScope(thunk: CoThunk<State>, initialState: State, initialClosure: DispatchClosure = EmptyDispatchClosure, initialOnDispatch: MutableDispatchScope<State>.(Action) -> Unit = { }): CoThunkTestScope<State>
Creates ThunkTestScope for a thunk with initialState, initialClosure and initialOnDispatch.