@Test
public void shouldReturnTheSameAmountOfElementsWhenMappingWorldCollection()
    throws Exception {

  ArrayList<Server> servers = new ArrayList<>();
  servers.add(getFakeServer());
  servers.add(getFakeServer());
  servers.add(getFakeServer());
  Collection<ServerModel> serverModels = serverModelDataMapper.transform(servers);
  assertNotNull(serverModels);
  assertThat(serverModels.size(), is(3));
}