public function testGetLongWikiText()
 {
     $instance = new PropertyChainValue();
     $instance->setUserValue('Foo.Bar');
     $this->assertEquals($this->testEnvironment->getLocalizedTextByNamespace(SMW_NS_PROPERTY, 'Property:Bar&nbsp;<span title="Foo.Bar">⠉</span>'), $instance->getLongWikiText());
     $this->assertEquals($this->testEnvironment->getLocalizedTextByNamespace(SMW_NS_PROPERTY, '[[:Property:Bar|Bar]]&nbsp;<span title="Foo.Bar">⠉</span>'), $instance->getLongWikiText('linker'));
 }