class_docstr: Writer class of fake mws level-1b data.
docstr: Write the measurement data group.
docstr_tok: ["Write","the","measurement","data","group","."]
code: def _write_measurement_data_group(dataset):
      """Write the measurement data group."""
      group = dataset.createGroup("measurement")
      counts = group.createVariable(
          "mws_earth_view_counts",
          np.int32,
          dimensions=(
              "n_scans",
              "n_fovs",
              "n_channels",
          ),
      )
      counts[:] = 24100 * np.ones(
          (N_SCANS, N_FOVS, N_CHANNELS), dtype=np.int32
      )
  
imports: import logging
  from datetime import datetime
  from unittest.mock import patch
  import numpy
  import pytest
  import xarray
  from netCDF4 import Dataset
  from satpy.readers.mws_l1b import MWSL1BFile, get_channel_index_from_name
label_desc: Use image node_id 9 for calling the MWSL1BFakeFileWriter obj's underlying member method code with example usage: obj._write_measurement_data_group(dataset) without return types