class_docstr: Writer class of fake ici level1b data.
class_docstr_tok: ["Writer","class","of","fake","ici","level1b","data","."]
docstr: Init.
docstr_tok: ["Init","."]
code: def __init__(self, file_path):
      """Init."""
      self.file_path = file_path
  
imports: from datetime import datetime
  from unittest.mock import patch
  import numpy
  import pytest
  import xarray
  from netCDF4 import Dataset
  from satpy.readers.ici_l1b_nc import IciL1bNCFileHandler, InterpolationType
label_desc: Use image node_id 1 to create a new IciL1bFakeFileWriter object  with example: obj = IciL1bFakeFileWriter(file_path)