Cielo\Transaction::getAuthentication PHP Method

    public function getAuthentication()
    {
        return $this->authentication;
    }

 /**
  * @test
  */
 public function getAuthentication()
 {
     /* @var Authentication $authentication */
     $authentication = $this->getMock(Authentication::class);
     $this->transaction->setAuthentication($authentication);
     $this->assertSame($authentication, $this->transaction->getAuthentication());
 }