docstr: Test clipping a mixed GeoDataFrame
code: def test_mixed_geom(self, mixed_gdf, mask):
      """Test clipping a mixed GeoDataFrame"""
      clipped = clip(mixed_gdf, mask)
      assert (
          clipped.geom_type[0] == "Point"
          and clipped.geom_type[1] == "Polygon"
          and clipped.geom_type[2] == "LineString"
      )
  
imports: import numpy
  import shapely
  from shapely.geometry import Polygon, Point, LineString, LinearRing, GeometryCollection, MultiPoint, box
  import geopandas
  from geopandas import GeoDataFrame, GeoSeries, clip
  from geopandas.testing import assert_geodataframe_equal, assert_geoseries_equal
  import pytest
  from geopandas.tools.clip import _mask_is_list_like_rectangle
label_desc: Use image node_id 13 for calling the TestClipWithSingleRectangleGdf obj's underlying member method code with example usage: obj.test_mixed_geom(mixed_gdf, mask) without return types