@Test
  public void getProductName() throws Exception {
    // given
    List<Product> products = new ArrayList<Product>();
    Product prod = new Product();
    prod.setKey(1000L);
    products.add(prod);
    givenProductName();

    // when
    Map<Long, String> result = logCollector.getProductName(dsMock, products);

    // then
    assertEquals(1, result.size());
    assertEquals(PRODUCTNAME, result.get(Long.valueOf(1000L)));
  }