code: def testLog(self):
      self._testUnaryOp(np_math_ops.log, np.log, "log")
  
imports: import itertools
  from absl.testing import parameterized
  import numpy
  from tensorflow.python.framework import errors
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import tensor
  from tensorflow.python.ops.numpy_ops import np_array_ops
  from tensorflow.python.ops.numpy_ops import np_arrays
  from tensorflow.python.ops.numpy_ops import np_math_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 11 for calling the MathTest obj's underlying member method code with example usage: obj.testLog() without return types