/**
  * @param PullRequest $pullRequest
  *
  * @return PullRequests
  */
 public function add(PullRequest $pullRequest)
 {
     $this->pullRequests = $this->pullRequests->add($pullRequest);
 }
 public function testIterator()
 {
     $pullRequests = new PullRequests();
     $iterator = $pullRequests->getIterator();
     $this->assertInstanceOf('\\ArrayIterator', $iterator);
 }