/**
  * @covers phpDocumentor\Descriptor\ProjectDescriptor::__construct
  * @covers phpDocumentor\Descriptor\ProjectDescriptor::setFiles
  * @covers phpDocumentor\Descriptor\ProjectDescriptor::getFiles
  */
 public function testGetSetFiles()
 {
     $this->assertInstanceOf('phpDocumentor\\Descriptor\\Collection', $this->fixture->getFiles());
     $filesCollection = new Collection();
     $this->fixture->setFiles($filesCollection);
     $this->assertSame($filesCollection, $this->fixture->getFiles());
 }