@Test
public void testGet() {

    Item retrievedItem = createItem(new Id(), "item1");
    Response<Item> itemResponse = new Response<>(retrievedItem);
    doReturn(itemResponse).when(stateAdaptorMock).getItem(context, retrievedItem.getId());
    Item item = itemManagerImpl.get(context, retrievedItem.getId());
    Assert.assertEquals(item, retrievedItem);
}