class_docstr: Test the FciL2NCFileHandler reader.
class_docstr_tok: ["Test","the","FciL2NCFileHandler","reader","."]
docstr: Test the correct execution of the get_dataset function with a valid file_key.
docstr_tok: ["Test","the","correct","execution","of","the","get_dataset","function","with","a","valid","file_key","."]
code: def test_dataset(self):
      """Test the correct execution of the get_dataset function with a valid file_key."""
      dataset = self.fh.get_dataset(
          make_dataid(name="test_one_layer", resolution=2000),
          {
              "name": "test_one_layer",
              "file_key": "test_one_layer",
              "fill_value": -999,
              "file_type": "test_file_type",
          },
      )
  
      np.testing.assert_allclose(dataset.values, np.ones((100, 10)))
      assert dataset.attrs["test_attr"] == "attr"
      assert dataset.attrs["units"] == "test_units"
      assert dataset.attrs["fill_value"] == -999
  
imports: import os
  import unittest
  import uuid
  from contextlib import suppress
  from unittest import mock
  import numpy
  import pytest
  from netCDF4 import Dataset
  from pyresample import geometry
  from satpy.readers.fci_l2_nc import FciL2NCAMVFileHandler, FciL2NCFileHandler, FciL2NCSegmentFileHandler
  from satpy.tests.utils import make_dataid
label_desc: Use image node_id 5 for calling the TestFciL2NCFileHandler obj's underlying member method code with example usage: obj.test_dataset() without return types