Mock static class

MainPresenter.kt

class MainPresenter(
    private val view: MainContract.View,
    private val dataRepository: DataRepository
) : MainContract.Presenter {

    override fun fetchData() {
        try {
            val result = dataRepository.fetchData()
            view.onResult(result.map {
                UiDataModel(
                    MyUselessUtils.generateUUID(),
                    it.id,
                    it.value
                )
            })
        } catch (err: Throwable) {
            view.onError(err)
        }
    }
}