code: def testDynamicDecodeRNNOneMaxIter(self):
      self._testDynamicDecodeRNN(time_major=True, maximum_iterations=1)
  
imports: from magenta.contrib import seq2seq
  import numpy
  import tensorflow.compat.v1
label_desc: Use image node_id 5 for calling the DynamicDecodeRNNTest obj's underlying member method code with example usage: obj.testDynamicDecodeRNNOneMaxIter() without return types