code: def testSimple(self):
      x = constant_op.constant(1)
      self.assertEqual([2], self.evaluate(gen_math_ops.Add(x=x, y=x)))
  
imports: from absl.testing import parameterized
  from tensorflow.python.eager import context
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import errors
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import gen_data_flow_ops
  from tensorflow.python.ops import gen_math_ops
  from tensorflow.python.ops import gen_string_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 1 for calling the RawOpsTest obj's underlying member method code with example usage: obj.testSimple() without return types