code: def test_dataset_doc(self):
      doc = Dataset.modifier({"_id": "id"})
      self.assertIn("frame_collection_name", doc)
      self.assertEqual(doc["frame_collection_name"], None)
  
imports: import math
  import unittest
  import fiftyone
  import fiftyone.core.dataset
  import fiftyone.core.labels
  import fiftyone.core.odm
  import fiftyone.core.sample
  from fiftyone.server.query import Dataset
  from fiftyone.server.samples import paginate_samples
  import fiftyone.server.view
  from decorators import drop_datasets
  from utils.groups import make_disjoint_groups_dataset
label_desc: Use image node_id 1 for calling the ServerDocTests obj's underlying member method code with example usage: obj.test_dataset_doc() without return types