OptionalEntity<StopwordsItem> result = stopwordsFile.get(1);
        assertTrue(result.isPresent());
        assertEquals("the", result.get().getInput());
    }

    @Test
    public void test_get_nonExistingItem() {
        // Load test data
        loadTestData();

        OptionalEntity<StopwordsItem> result = stopwordsFile.get(999);
        assertFalse(result.isPresent());
    }

    @Test