/**
  * {@inheritdoc}
  */
 protected function setUp()
 {
     $this->contribution = (new Contribution())->setAuthProvider('github')->setIdentifier('woecifaun')->setFileName('github/woecifaun.jpg');
     $this->file = $this->getMockBuilder('Symfony\\Component\\HttpFoundation\\File\\File')->disableOriginalConstructor()->getMock();
     $this->file->method('guessExtension')->willReturn($this->extension);
 }