code: def test_init_none(self):
      self.assertRaises(ValueError, Texture)
  
imports: import unittest
  import numpy
  import pytest
  from vispy.gloo import Texture1D, Texture2D, Texture3D, TextureAtlas
  from vispy.testing import requires_pyopengl, run_tests_if_main, assert_raises
label_desc: Use image node_id 1 for calling the TextureTest obj's underlying member method code with example usage: obj.test_init_none() without return types