@Test
public void test_doAction_existingSingleValueProperty() throws RepositoryException {

    PrintProperty printPropertyAction = new PrintProperty(EXISTING_SINGLE_VALUE_PROPERTY);
    String result = printPropertyAction.doAction(resource);
    verify(singleValueProperty, atLeastOnce()).isMultiple();
    verify(singleValueProperty, atLeastOnce()).getValue();
    assertTrue(result.contains(EXISTING_SINGLE_VALUE_PROPERTY + " = " + ANY_VALUE));
}