code: def test_infobox_content_lists(self):
      test_content = ["<h1>h1</h1>", "<h2>h2</h2>"]
      test_display_info_box = [True, False]
      options = self._add_default_options(
          info_box_content=test_content,
          display_info_box=test_display_info_box,
      )
      markers = marker_layer(self.locations, **options)
      info_contents = [
          marker.info_box_content for marker in markers.markers
      ]
      display_infos = [
          marker.display_info_box for marker in markers.markers
      ]
      assert tuple(info_contents) == tuple(test_content)
      assert tuple(display_infos) == tuple(test_display_info_box)
  
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 7 for calling the MarkerLayer obj's underlying member method code with example usage: obj.test_infobox_content_lists() without return types