private function createFixture($addTearDown = true, $forceCreate = false)
 {
     $category = new Category();
     $category->setName($this->getRandomName())->setDataProviderId(SANDBOX_DATA_PROVIDER_ID);
     $category = $this->client->categories()->create($category);
     if ($addTearDown) {
         $this->fixtures[] = $category;
     }
     return $category;
 }