code: def test_equals():
      """Equality test."""
      assert Color("#fff") == Color("#ffffff") == Color("white")
      assert Color("#000") == Color("#000000") == Color("black")
      assert Color("rgba(0, 0, 0, 0)") == Color("rgba(0, 0, 0, 0)")
      assert Color("rgba(0, 0, 0, 0)") == Color("rgba(1, 1, 1, 0)")
      assert Color("green") != "green"
  
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 4 for calling a global function with example usage: test_equals() without return types