public function testAddPropertyValue()
{
$instance = new SemanticData(DIWikiPage::newFromTitle(Title::newFromText(__METHOD__)));
$instance->addPropertyValue('addPropertyValue', DIWikiPage::doUnserialize('Foo#0#'));
$key = Localizer::getInstance()->getNamespaceTextById(SMW_NS_PROPERTY) . ':' . 'addPropertyValue';
$expected = array('propertyCount' => 1, 'propertyLabels' => array($key), 'propertyValues' => array('Foo'));
$this->semanticDataValidator->assertThatPropertiesAreSet($expected, $instance);
}