@Test
public void test_doAction_existingMultiValueProperty() throws RepositoryException {

    PrintProperty printPropertyAction = new PrintProperty(EXISTING_MULTI_VALUE_PROPERTY);
    String result = printPropertyAction.doAction(resource);
    verify(multiValueProperty, atLeastOnce()).isMultiple();
    verify(multiValueProperty, atLeastOnce()).getValues();
    assertTrue(result.contains(EXISTING_MULTI_VALUE_PROPERTY + " = [" + ANY_VALUE + ", " + ANY_VALUE + "]"));
}