code: def testOnTensors_int32(self):
      self._testConfMatrixOnTensors(dtypes.int32, np.int32)
  
imports: import numpy
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import errors_impl
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import confusion_matrix
  from tensorflow.python.ops import math_ops
  from tensorflow.python.ops import random_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 7 for calling the ConfusionMatrixTest obj's underlying member method code with example usage: obj.testOnTensors_int32() without return types