code: def test_sqlite_adapter_get_data_size(sqlite_adapter):
      size = sqlite_adapter.get_data_size()
      assert size == 6, "Size is not equal to 6"
  
file_path: AmpliGraph/tests/ampligraph/datasets/test_sqlite_adapter.py
imports: from ampligraph.datasets.sqlite_adapter import SQLiteAdapter
  from ampligraph.datasets.source_identifier import DataSourceIdentifier
  import pytest
  import numpy
  import pandas
label_desc: Use image node_id 3 for calling a global function with example usage: test_sqlite_adapter_get_data_size(sqlite_adapter) without return types