code: def test_MarkerType(self) -> None:
      assert tuple(bce.MarkerType) == (
          "asterisk",
          "circle",
          "circle_cross",
          "circle_dot",
          "circle_x",
          "circle_y",
          "cross",
          "dash",
          "diamond",
          "diamond_cross",
          "diamond_dot",
          "dot",
          "hex",
          "hex_dot",
          "inverted_triangle",
          "plus",
          "square",
          "square_cross",
          "square_dot",
          "square_pin",
          "square_x",
          "star",
          "star_dot",
          "triangle",
          "triangle_dot",
          "triangle_pin",
          "x",
          "y",
      )
  
imports: from __future__ import annotations
  import pytest
  from bokeh.colors import named
  from bokeh.palettes import __palettes__
  from tests.support.util.api import verify_all
  import bokeh.core.enums
label_desc: Use image node_id 30 for calling the Test_bce obj's underlying member method code with example usage: obj.test_MarkerType() without return types