class_docstr: Test the scene class.
class_docstr_tok: ["Test","the","scene","class","."]
docstr: Test createring a reader instance providing the reader name.
docstr_tok: ["Test","createring","a","reader","instance","providing","the","reader","name","."]
code: def test_create_reader_instances_with_reader(self):
      """Test createring a reader instance providing the reader name."""
      reader = "foo"
      filenames = ["1", "2", "3"]
      with mock.patch("satpy.scene.load_readers") as findermock:
          findermock.return_value = {}
          Scene(reader=reader, filenames=filenames)
          findermock.assert_called_once_with(
              reader=reader,
              filenames=filenames,
              reader_kwargs=None,
          )
  
imports: import os
  import random
  import string
  from copy import deepcopy
  from unittest import mock
  import pytest
  import satpy
  from satpy import Scene
  from satpy.tests.utils import FAKE_FILEHANDLER_END, FAKE_FILEHANDLER_START, spy_decorator
label_desc: Use image node_id 10 for calling the TestScene obj's underlying member method code with example usage: obj.test_create_reader_instances_with_reader() without return types