Configuração de um Stub utilizando api do MockK.

StubMockK.kt

@Test
fun `Retrieve notes count from server when requested`() {
    val notesApiStub = mockk<NotesApi>() //Dublê de teste Stub
    val noteRepository = NoteRepository(notesApiStub)
    val note = generateDummyNote() //Método privado
    every { notesApiStub.fetchAllNotes() } returns listOf(note, note)

    val allNotesCount = noteRepository.getNoteCount()

    assertEquals(expected = 2, actual = allNotesCount)
}