code: def testDynamicDecodeRNNZeroMaxIters(self):
      self._testDynamicDecodeRNN(time_major=True, maximum_iterations=0)
  
imports: from magenta.contrib import seq2seq
  import numpy
  import tensorflow.compat.v1
label_desc: Use image node_id 4 for calling the DynamicDecodeRNNTest obj's underlying member method code with example usage: obj.testDynamicDecodeRNNZeroMaxIters() without return types