@Test
public void toStringWorks() {

    assertEquals("DriverManagerDestination [url=theUrl, user=theUser, password=thePassword]",
                 new DriverManagerDestination("theUrl", "theUser", "thePassword").toString());
    assertEquals("DriverManagerDestination [url=theUrl, user=null, password=null]",
                 new DriverManagerDestination("theUrl", null, null).toString());
}