code: def check_popleft(self):
      try:
          t = self.t_queue.popleft()
      except IndexError:
          with pytest.raises(IndexError):
              self.y_queue.popleft()
      else:
          assert self.y_queue.popleft() == t
  
file_path: pfrl/tests/collections_tests/test_random_access_queue.py
imports: import collections
  import pytest
  from pfrl.collections.random_access_queue 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