@Test
public void appendMethodsCanBeChained() throws Exception {

    Connection conn = showDialog(TITLE).get();
    
    conn.append(TEXT[0]).appendNewline().append(TEXT[1]);
    windowFixture.robot.waitForIdle();
    
    String actual = windowFixture.textBox().text();
    String expected = String.format("%s%n%s", TEXT[0], TEXT[1]);
    assertEquals(expected, actual);
}