code: def test_escape_special_characters(self):
      # check if special characters are escaped
      gdf = self.world.copy()
      gdf["name"] = """{{{what a mess}}} they are so different."""
      m = gdf.explore()
      out_str = self._fetch_map_string(m)
      assert """{{{""" in out_str
      assert """}}}""" in out_str
  
imports: import geopandas
  import numpy
  import pandas
  import pytest
  import shapely
  from packaging.version import Version
  from matplotlib import cm
  from matplotlib import colors
  from branca.colormap import StepColormap
label_desc: Use image node_id 17 for calling the TestExplore obj's underlying member method code with example usage: obj.test_escape_special_characters() without return types