/**
  * @return \PSU\HttpClient\HttpClientInterface
  */
 private function getHttpClient()
 {
     return $this->httpClientFactory->getHttpClient();
 }
 public function testGetHttpClientInstance()
 {
     $factory = new HttpClientFactory();
     $this->assertInstanceOf('\\PSU\\HttpClient\\HttpClientInterface', $factory->getHttpClient());
 }