code: def do_append(self, x):
      self.y_queue.append(x)
      self.t_queue.append(x)
  
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 7 for calling the TestRandomAccessQueue obj's underlying member method code with example usage: obj.do_append(x) without return types