code: def test_add_image(self):
      t1 = Tensor.ones(16, 16, 1).reshape(16, 4, 4) + 3
      t2 = Tensor.ones(16, 16, 1).reshape(16, 4, 4) + 4
      t1.realize()
      t2.realize()
      t3 = t1 + t2
      t3.realize()
      np.testing.assert_array_equal(t3.numpy(), np.ones((16, 4, 4)) * 9)
  
file_path: tinygrad/test/external/external_test_image.py
imports: import os
  import unittest
  import numpy
  from tinygrad.tensor import Tensor
  from tinygrad.nn import Conv2d
label_desc: Use image node_id 3 for calling the TestImage obj's underlying member method code with example usage: obj.test_add_image() without return types