assertEquals(1, helper.duplicateHostList.size());
        assertEquals("www.test.com", helper.duplicateHostList.get(0).getRegularName());
    }

    @Test
    public void test_convert_nullUrl() {
        assertNull(duplicateHostHelper.convert(null));
    }

    @Test
    public void test_convert_withNullList() {
        DuplicateHostHelper helper = new DuplicateHostHelper();