code: def test_quantum_depth():
      """QUANTUM_DEPTH must be one of 8, 16, 32, or 64."""
      assert QUANTUM_DEPTH in (8, 16, 32, 64)
  
file_path: wand/tests/misc_test.py
imports: import datetime
  import numbers
  import re
  from pytest import mark, raises
  from wand.version import MAGICK_VERSION, MAGICK_VERSION_INFO, MAGICK_VERSION_NUMBER, MAGICK_RELEASE_DATE, MAGICK_RELEASE_DATE_STRING, QUANTUM_DEPTH, configure_options, fonts, formats
label_desc: Use image node_id 2 for calling a global function with example usage: test_quantum_depth() without return types