def METHOD_NAME():
    """Tests gen_sewagenetwork_tileset() when there is a sewagenetwork geometry output."""
    # Arrange
    sewage_glb = os.path.join("data", "glb", "sewagenetwork.glb")
    m = C.sample_cone_gen()
    m.export(sewage_glb)
    # Act
    gen_sewagenetwork_tileset()
    # Assert
    json_filepath = os.path.join("data", "tileset_sewage.json")
    assert os.path.exists(json_filepath)
    tileset = read_json(json_filepath)
    assert "root" in tileset
    root_tile = tileset["root"]
    assert "content" in root_tile and root_tile["content"] == {"uri": "./glb/sewagenetwork.glb"}
    assert "boundingVolume" in root_tile and "box" in root_tile["boundingVolume"] \
        and np.allclose(root_tile["boundingVolume"]["box"], C.sample_cone_bbox