@Test(expectedExceptions=IllegalArgumentException.class)
public void shouldFailIfPrefixNotSet() throws Exception {
AddPrefixAction action = new AddPrefixAction();
action.setField("to");
action.execute(new Message());
}
@Test(expectedExceptions=IllegalArgumentException.class)
public void shouldFailIfFieldNotSet() throws Exception {
AddPrefixAction action = new AddPrefixAction();