code: def test_builder_eval(self):
      x_val = np.array([[1, 2, 3], [4, 5, 6]], dtype=np.float32)
      y_val = np.array([[-1, 2, -3], [4, -5, 6]], dtype=np.float32)
      expected_outputs = np.array([[1, 0, 1], [0, 1, 0]], dtype=np.bool)
      v = mb.not_equal(x=x_val, y=y_val)
      assert is_close(expected_outputs, v.val)
  
imports: from coremltools.converters.mil import testing_reqs
  from coremltools.converters.mil.testing_reqs import *
  from .testing_utils import run_compare_builder
label_desc: Use image node_id 2 for calling the TestNotEqual obj's underlying member method code with example usage: obj.test_builder_eval() without return types