class_docstr: Test IASI L2 reader.
class_docstr_tok: ["Test","IASI","L2","reader","."]
docstr: Test reading sensing times.
  
  Helper function.
docstr_tok: ["Test","reading","sensing","times",".","Helper","function","."]
code: def check_sensing_times(self, times):
      """Test reading sensing times.
  
      Helper function.
      """
      # Times should be equal in blocks of four, but not beyond, so
      # there should be SCAN_WIDTH/4 different values
      for i in range(int(SCAN_WIDTH / 4)):
          assert np.unique(times[0, i * 4 : i * 4 + 4]).size == 1
      assert np.unique(times[0, :]).size == SCAN_WIDTH / 4
  
imports: import math
  import os
  import unittest
  import numpy
  import pytest
  import xarray
label_desc: Use image node_id 13 for calling the TestIasiL2 obj's underlying member method code with example usage: obj.check_sensing_times(times) without return types