code: def test_with_info_box(self):
      marker = Marker((10.0, 5.0), info_box_content="test-content")
      assert marker.display_info_box
      assert marker.info_box_content == "test-content"
  
imports: import unittest
  import pytest
  import numpy
  import traitlets
  from ..marker import MarkerOptions, Marker, Markers, Symbol, marker_layer, symbol_layer
label_desc: Use image node_id 3 for calling the MarkerTest obj's underlying member method code with example usage: obj.test_with_info_box() without return types