code: def testRandom(self):
      for dtype in _TEST_DTYPES:
          for _ in range(5):
              self._RunAndVerify(dtype)
              self._RunAndVerify(dtype, large_num_splits=True)
              self._RunAndVerifyVariable(dtype)
              self._RunAndVerifyVariable(dtype, large_num_splits=True)
  
imports: 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.framework import ops
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import gradients_impl
  from tensorflow.python.ops import math_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 21 for calling the SplitOpTest obj's underlying member method code with example usage: obj.testRandom() without return types