try {
            fileTypeHelper.init();
        } catch (Exception e) {
            fail("init() should not throw an exception: " + e.getMessage());
        }
    }

    public void test_add() {
        fileTypeHelper.add("application/pdf", "pdf");
        assertEquals("pdf", fileTypeHelper.get("application/pdf"));

        fileTypeHelper.add("text/plain", "text");

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

    public void test_add() {
        DuplicateHostHelper helper = new DuplicateHostHelper();

        DuplicateHost testHost = new DuplicateHost();
        testHost.setRegularName("www.test.com");