code: def test_broadcast_both_dims(self):
      self.run_test(
          "def broadcast_both_dims(x, y): return x + y",
          np.arange(100).reshape(1, 100),
          np.arange(100).reshape(100, 1),
          broadcast_both_dims=[NDArray[int, :, :], NDArray[int, :, :]],
      )
  
imports: import unittest
  from pythran.tests import TestEnv
  import numpy
  from pythran.typing import NDArray, List, Tuple
label_desc: Use image node_id 10 for calling the TestBroadcasting obj's underlying member method code with example usage: obj.test_broadcast_both_dims() without return types