code: def test_loading_solar_angles(sgli_vn_file):
      """Test loading sun angles."""
      handler = HDF5SGLI(sgli_vn_file, {"resolution": "L"}, {})
      did = dict(
          name="solar_azimuth_angle", resolution=1000, polarization=None
      )
      res = handler.get_dataset(
          did,
          {
              "file_key": "Geometry_data/Sensor_zenith",
              "units": "",
              "standard_name": "",
          },
      )
      assert res.shape == (1955, 1250)
      assert res.chunks is not None
      assert res.dtype == np.float32
      assert res.max() <= 180
  
imports: import sys
  from datetime import datetime, timedelta
  import dask
  import h5py
  import numpy
  import pytest
  from satpy.readers.sgli_l1b import HDF5SGLI
label_desc: Use image node_id 16 for calling a global function with example usage: test_loading_solar_angles(sgli_vn_file) without return types