public function testRemoveAllTranslations()
 {
     $node = $this->fillTranslations();
     $doc = new Article();
     $subNode_en = $node->getNode(Translation::LOCALE_NAMESPACE . ":en");
     $subNode_fr = $node->getNode(Translation::LOCALE_NAMESPACE . ":fr");
     $subNode_de = $node->getNode(Translation::LOCALE_NAMESPACE . ":de");
     $strategy = new ChildTranslationStrategy();
     $strategy->removeAllTranslations($doc, $node, $this->metadata);
     $this->assertTrue($subNode_en->isDeleted());
     $this->assertTrue($subNode_fr->isDeleted());
     $this->assertTrue($subNode_de->isDeleted());
 }