class_docstr: Test the Ocean Color reader.
class_docstr_tok: ["Test","the","Ocean","Color","reader","."]
code: def _create_reader_for_resolutions(self, filename):
      from satpy.readers import load_reader
  
      reader = load_reader(self.reader_configs)
      files = reader.select_files_from_pathnames(filename)
      assert len(filename) == len(files)
      reader.create_filehandlers(files)
      # Make sure we have some files
      assert reader.file_handlers
      return reader
  
imports: import os
  from datetime import datetime
  import numpy
  import pytest
  import xarray
  from pyresample.geometry import AreaDefinition
label_desc: Use image node_id 2 for calling the TestOCCCIReader obj's underlying member method code with example usage: obj._create_reader_for_resolutions(filename) and returns: reader