assertEquals("a", item.getInputs()[0]);

        // NewInputs not sorted yet
        assertEquals("9", item.getNewInputs()[0]);

        // Call sort
        item.sort();

        // Both should be sorted
        assertEquals("a", item.getInputs()[0]);
        assertEquals("m", item.getInputs()[1]);
        assertEquals("z", item.getInputs()[2]);

        assertArrayEquals(new String[] { "a", "b" }, item1.getInputs());
        assertEquals("c", item1.getOutput());

        OptionalEntity<CharMappingItem> result2 = charMappingFile.get(2L);
        assertTrue(result2.isPresent());
        CharMappingItem item2 = result2.get();
        assertEquals(2L, item2.getId());
        assertArrayEquals(new String[] { "d", "e" }, item2.getInputs());
        assertEquals("f", item2.getOutput());