class_docstr: Test IASI L2 reader.
class_docstr_tok: ["Test","IASI","L2","reader","."]
docstr: Create temporary data to test on.
docstr_tok: ["Create","temporary","data","to","test","on","."]
code: def setUp(self):
      """Create temporary data to test on."""
      import datetime as dt
      import tempfile
  
      from satpy.readers.iasi_l2 import IASIL2HDF5
  
      self.base_dir = tempfile.mkdtemp()
      save_test_data(self.base_dir)
      self.fname = os.path.join(self.base_dir, FNAME)
      self.fname_info = {
          "start_time": dt.datetime(2017, 9, 20, 10, 22, 17),
          "end_time": dt.datetime(2017, 9, 20, 10, 29, 12),
          "processing_time": dt.datetime(2017, 9, 20, 10, 35, 59),
          "processing_location": "kan",
          "long_platform_id": "metopb",
          "instrument": "iasi",
          "platform_id": "M01",
      }
      self.ftype_info = {
          "file_reader": IASIL2HDF5,
          "file_patterns": ["{fname}.hdf"],
          "file_type": "iasi_l2_hdf5",
      }
      self.reader = IASIL2HDF5(
          self.fname, self.fname_info, self.ftype_info
      )
  
imports: import math
  import os
  import unittest
  import numpy
  import pytest
  import xarray
label_desc: Use image node_id 1 for calling the TestIasiL2 obj's underlying member method code with example usage: obj.setUp() without return types