code: def _testAll(self, features, dtype=None):
      self._testSoftmax(features, dtype=dtype, use_gpu=True)
      self._testSoftmax(features, dtype=dtype, log=True, use_gpu=True)
      self._testOverflow(use_gpu=True)
  
imports: import unittest
  import numpy
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import errors_impl
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import math_ops
  from tensorflow.python.ops import nn_ops
  from tensorflow.python.platform import test
  from tensorflow.python.platform import tf_logging
label_desc: Use image node_id 3 for calling the SoftmaxTest obj's underlying member method code with example usage: obj._testAll(features, dtype) without return types