@Before
  public void setUp() {
    category1 = new Category();
    category1.setId(1L);
    category1.setColor("#ffffff");
    category1.setCount(10);
    category1.setDescription("first cat description");
    category1.setName("first cat name");

    category2 = new Category();
    category2.setId(2L);
    category2.setColor("#000000");
    category2.setCount(5);
    category2.setDescription("second cat description");
    category2.setName("second cat name");
  }
  @Test
  public void listContainsNote() {
    List<Category> categories = new ArrayList<>();
    categories.add(category1);
    categories.add(category2);
    assertTrue(categories.contains(category2));
    assertTrue(categories.contains(category1));

    Category newCategory = new Category();
    newCategory.setName("newCat");
    newCategory.setDescription("newCat desc");
    newCategory.setColor("#cccccc");
    assertFalse(categories.contains(newCategory));
  }