@Test
public void doActionReplaceArrayWithMultipleValues() throws PersistenceException {

    // setup test resource
    when(valueMap.containsKey(ATTR)).thenReturn(true);
    when(valueMap.get(ATTR)).thenReturn(new String[] {VAL1, VAL1});
    JoinProperty action = new JoinProperty(ATTR, EMPTY_VALUE);
    action.doAction(resource);
}