code: def test_initialize():
      # check points are correctly sorted
      # check artificial points are outside bounds of all others
      # check tops / bottoms
      pass
  
file_path: vispy/vispy/geometry/tests/test_triangulation.py
imports: import sys
  from unittest import SkipTest
  import numpy
  from numpy.testing import assert_array_almost_equal
  from vispy.testing import run_tests_if_main
  from vispy.geometry.triangulation import Triangulation
label_desc: Use image node_id 5 for calling a global function with example usage: test_initialize() without return types