code: def check_popleft(self):
      try:
          t = self.t_queue.popleft()
      except IndexError:
          with self.assertRaises(IndexError):
              self.y_queue.popleft()
      else:
          self.assertEqual(self.y_queue.popleft(), t)
  
file_path: chainerrl/tests/misc_tests/test_collections.py
imports: import collections
  import unittest
  from chainer import testing
  from chainerrl.misc.collections import RandomAccessQueue
label_desc: Use image node_id 9 for calling the TestRandomAccessQueue obj's underlying member method code with example usage: obj.check_popleft() without return types