    @Test
    public void testLoreSize() {

        List<String> lores = new ArrayList<>();
        lores.add("abab");
        lores.add("cdcd");
        lores.add("efef");

        ItemStack IS = new ItemStack(Material.STONE);
        Mockito.doAnswer(invocation -> lores).when(mockItemMeta).getLore();

        Assert.assertEquals(3, fn.loreSize(IS));
    }