class_docstr: Base class for EPS l1b test case.
code: def _create_structure(self):
      structure = [
          (1, ("mphr", 0)),
          (1, ("sphr", 0)),
          (11, ("ipr", 0)),
          (1, ("geadr", 1)),
          (1, ("geadr", 2)),
          (1, ("geadr", 3)),
          (1, ("geadr", 4)),
          (1, ("geadr", 5)),
          (1, ("geadr", 6)),
          (1, ("geadr", 7)),
          (1, ("giadr", 1)),
          (1, ("giadr", 2)),
          (1, ("veadr", 1)),
          (self.scan_lines, ("mdr", 2)),
      ]
      sections = create_sections(structure)
      return sections
  
imports: import os
  from contextlib import suppress
  from tempfile import mkstemp
  from unittest import TestCase, mock
  import numpy
  import pytest
  import xarray
  import satpy
  from satpy._config import get_config_path
  from satpy.readers import eps_l1b
  from satpy.tests.utils import make_dataid
label_desc: Use image node_id 1 for calling the BaseTestCaseEPSL1B obj's underlying member method code with example usage: obj._create_structure() and returns: sections