    @Test
    public void testModification() {

        TextAreaItem tai = new TextAreaItem("a", "b");
        Assert.assertFalse("Precondition", tai.isModified());
        ValueChangeEvent<String> event = new ValueChangeEvent<String>("Some value") {};
        tai.valueChangeHandler.onValueChange(event);
        Assert.assertTrue(tai.isModified());
        tai.resetMetaData();
        Assert.assertFalse(tai.isModified());
    }