code: def test_fk_helper():
      test_fk_cast(use_helper=True)
  
file_path: wandb/tests/pytest_tests/unit_tests/test_tables.py
imports: import datetime
  import numpy
  import pytest
  import wandb
label_desc: Use image node_id 5 for calling a global function with example usage: test_fk_helper() without return types