docstr: Tests end-to-end PLY file reading and parsing.
code: def test_read_ascii_ply(self):
      """Tests end-to-end PLY file reading and parsing."""
      test_ply = os.path.join(
          os.path.dirname(os.environ["TEST_BINARY"]),
          "test_data",
          "icosphere.ply",
      )
      vertices, colors, faces = demo_utils.read_ascii_ply(test_ply)
      self.assertEqual(len(vertices), 82)
      self.assertEqual(len(vertices), len(colors))
      self.assertEqual(len(faces), 80)
  
file_path: tensorboard/tensorboard/plugins/mesh/demo_utils_test.py
imports: import os
  import tensorflow
  from tensorboard.plugins.mesh import demo_utils
label_desc: Use image node_id 4 for calling the TestPLYReader obj's underlying member method code with example usage: obj.test_read_ascii_ply() without return types