item.setNewInput("");
        assertEquals("", item.getNewInput());

        item.setNewInput(null);
        assertNull(item.getNewInput());
    }

    @Test
    public void test_getInput() {
        // Test getInput method
        StopwordsItem item1 = new StopwordsItem(1, "test");
        assertEquals("test", item1.getInput());

        StopwordsItem item2 = new StopwordsItem(2, "");

        item.setNewInput(null);
        assertNull(item.getNewInput());

        item.setNewInput("");
        assertEquals("", item.getNewInput());
    }

    @Test
    public void test_getInput() {
        // Test getInput method
        ProtwordsItem item1 = new ProtwordsItem(1, "word1");
        assertEquals("word1", item1.getInput());

        ProtwordsItem item2 = new ProtwordsItem(2, "");