public function test findOneByToken returns the dumps challenge deserialized()
 {
     $dummyToken = uniqid();
     $dummyChallenge = uniqid();
     $this->mockFilesystem->exists($this->dummyStoragePath . '/' . $dummyToken)->willReturn(true);
     mkdir($this->dummyStoragePath);
     file_put_contents($this->dummyStoragePath . '/' . $dummyToken, serialize($dummyChallenge));
     try {
         $result = $this->service->findOneByToken($dummyToken);
     } finally {
         unlink($this->dummyStoragePath . '/' . $dummyToken);
         rmdir($this->dummyStoragePath);
     }
     $this->assertSame($dummyChallenge, $result);
 }