myTest.kt

    @Test
    fun testGetCurrency() {

        val item: Pair<DomainCurrency, List<DomainCurrency>> = Pair(
            DomainCurrency("USD", "1.00", 2, "US DOLLAR"),
            listOf(DomainCurrency("EUR", "12.00", 1, "EURO"))
        )

        given {
            runBlocking { mockUsecase.executeUsecase(any()) }
        }.willReturn(Either.Right(item))


        currencyViewModel.observeData().observeForever {
            val domain = it.first
            Assert.assertEquals(domain.amount, "zzzzz")
            Assert.assertEquals(domain.currencySymbol, "cccc")
        }


        runBlocking {
            currencyViewModel.getCurrencyList()
        }


    }