code: def testNeg(self):
      a = ops.convert_to_tensor(value=[1.0, 2.0])
      self.assertAllEqual([-1.0, -2.0], -a)
  
imports: import numpy
  from tensorflow.python.eager import def_function
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import tensor
  from tensorflow.python.ops import 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
  from tensorflow.python.util import nest
label_desc: Use image node_id 3 for calling the ArrayTest obj's underlying member method code with example usage: obj.testNeg() without return types