code: def test_user_error():
      with raises(TypeError):
          Color()
      with raises(ValueError):
          with warnings.catch_warnings():
              warnings.simplefilter("ignore")
              Color("not_a_color")
  
imports: import ctypes
  import time
  import warnings
  from pytest import mark, raises
  from wand.color import Color
  from wand.compat import xrange
  from wand.version import QUANTUM_DEPTH, MAGICK_VERSION_INFO
label_desc: Use image node_id 1 for calling a global function with example usage: test_user_error() without return types