class_docstr: Test the temporal RGB blending method.
class_docstr_tok: ["Test","the","temporal","RGB","blending","method","."]
code: def _assert_results(res, expected_start_time, expected_result):
      assert res.attrs["start_time"] == expected_start_time
      np.testing.assert_equal(res.data[0, :], expected_result[0])
      np.testing.assert_equal(res.data[1, :], expected_result[1])
      np.testing.assert_equal(res.data[2, :], expected_result[2])
  
imports: from datetime import datetime
  import dask.array
  import numpy
  import pytest
  import xarray
  from pyresample.geometry import AreaDefinition
  from satpy import DataQuery, Scene
  from satpy.multiscene import stack, timeseries
  from satpy.tests.multiscene_tests.test_utils import DEFAULT_SHAPE, _create_test_area, _create_test_dataset, _create_test_int8_dataset
  from satpy.tests.utils import make_dataid
label_desc: Use image node_id 3 for calling the TestTemporalRGB obj's underlying member method code with example usage: obj._assert_results(res, expected_start_time, expected_result) without return types