code: def example_fn(x):
      x = (x + 2) * backend.numpy.ones_like(x)
      x = backend.numpy.stack([x, x], axis=-1)
      return x
  
file_path: keras/keras/backend/common/compute_output_spec_test.py
imports: import pytest
  from keras import backend
  from keras import testing
label_desc: Use image node_id 1 for calling a global function with example usage: example_fn(x) and returns: x