class_docstr: Tests the PoolingEncoder class.
class_docstr_tok: ["Tests","the","PoolingEncoder","class","."]
code: def setUp(self):
      super(PoolingEncoderTest, self).setUp()
      self.batch_size = 4
      self.sequence_length = 16
      self.input_depth = 10
      self.mode = tf.contrib.learn.ModeKeys.TRAIN
  
file_path: seq2seq/seq2seq/test/pooling_encoder_test.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from __future__ import unicode_literals
  import tensorflow
  import numpy
  from seq2seq.encoders import PoolingEncoder
label_desc: Use image node_id 1 for calling the PoolingEncoderTest obj's underlying member method code with example usage: obj.setUp() without return types