code: def create_colorbar(pos, orientation, label="label string here"):
      colorbar = ColorBarWidget(
          pos=pos,
          orientation=orientation,
          label=label,
          cmap="autumn",
          border_color="white",
          border_width=2,
      )
  
      colorbar.label.color = "white"
      colorbar.label.font_size = 5
  
      colorbar.ticks[0].color = "white"
      colorbar.ticks[0].font_size = 5
  
      colorbar.ticks[1].color = "white"
      colorbar.ticks[1].font_size = 5
  
      return colorbar
  
imports: from vispy.scene.widgets import ColorBarWidget
  from vispy.testing import requires_application, TestingCanvas, run_tests_if_main
  from vispy.testing.image_tester import assert_image_approved
label_desc: Use image node_id 1 for calling a global function with example usage: create_colorbar(pos, orientation, label) and returns: colorbar