code: def test_gcp_geo_interface_z():
      gcp = GroundControlPoint(1.0, 1.5, 100.0, 1000.0, z=0.0)
      assert gcp.__geo_interface__["geometry"]["coordinates"] == (
          100.0,
          1000.0,
          0.0,
      )
  
file_path: rasterio/tests/test_gcps.py
imports: import numpy
  import pytest
  import rasterio
  from rasterio.control import GroundControlPoint
label_desc: Use image node_id 6 for calling a global function with example usage: test_gcp_geo_interface_z() without return types