public function testNewFromRevision()
 {
     $revision = $this->revisions[0];
     $collection = PostCollection::newFromRevision($revision);
     $this->assertInstanceOf('Flow\\Collection\\PostCollection', $collection);
 }
 /**
  * @return PostCollection
  */
 public function getCollection()
 {
     return PostCollection::newFromRevision($this);
 }