ItemListControllerViewTest.kt

@Test
fun should_delete_Item_and_handle_State() {
    val item1 = createItem(1)
    val item2 = createItem(2)
    val item3 = createItem(3)
    val defaultList = listOf(item1, item2, item3)

    val state = State(itemsListScreen = ItemsListScreen(defaultList), 
                      navigation = Navigation.ITEMS_LIST)
    store.dispatch(state)

    itemsControllerViewSpy.deleteItem(item1)

    argumentCaptor<State>().apply {
        verify(itemsControllerViewSpy, times(2)).handleState(capture())
        
        with(lastValue.itemsListScreen) {
            assertThat(items.size, iz(not(defaultList.size)))
            assertThat(items.size, iz(2))
            assertThat(items, hasItem(not(item1)))
            assertThat(items.component1(), iz(item2))
            assertThat(items.component2(), iz(item3))
        }
        assertThat(lastValue.navigation, iz(Navigation.ITEMS_LIST))
    }
}