GreetingServiceTestKodein.kt

class GreetingServiceTest {

    @Test
    fun testGreetingInTheMorning() {

        val testContainer = Kodein {
            import(kodeinModule)
            bind<TimeService>(overrides = true) with singleton {
                object : TimeService {
                    override fun getHourOfDay(): Int = 9
                }
            }
        }

        val greetingService by testContainer.instance<GreetingService>()
        assertEquals("Good morning, welcome to Kodein", greetingService.greetings())
    }
}