class_docstr: Test the IciL1bNCFileHandler reader.
class_docstr_tok: ["Test","the","IciL1bNCFileHandler","reader","."]
docstr: Test interpolate calls interpolate_geo.
docstr_tok: ["Test","interpolate","calls","interpolate_geo","."]
code: def test_interpolate_calls_interpolate_geo(self, mock, reader):
      """Test interpolate calls interpolate_geo."""
      reader._interpolate(InterpolationType.LONLAT)
      mock.assert_called_once()
  
imports: from datetime import datetime
  from unittest.mock import patch
  import numpy
  import pytest
  import xarray
  from netCDF4 import Dataset
  from satpy.readers.ici_l1b_nc import IciL1bNCFileHandler, InterpolationType
label_desc: Use image node_id 24 for calling the TestIciL1bNCFileHandler obj's underlying member method code with example usage: obj.test_interpolate_calls_interpolate_geo(mock, reader) without return types