code: def test_dataset_read_after_delete():
      """Test the database creation and read operations"""
  
      dataset = tfio.experimental.mongodb.MongoDBIODataset(
          uri=URI, database=DATABASE, collection=COLLECTION
      )
      count = 0
      for d in dataset:
          count += 1
      assert count == 0
  
file_path: io/tests/test_mongodb.py
imports: import socket
  import pytest
  import tensorflow
  from tensorflow import feature_column
  from tensorflow.keras import layers
  import tensorflow_io
label_desc: Use image node_id 6 for calling a global function with example usage: test_dataset_read_after_delete() without return types