code: def ref_eye_like(x, k):
      y = np.eye(x.shape[0], x.shape[1], k=k, dtype=x.dtype)
      return y
  
imports: import pytest
  import numpy
  import nnabla.functions
  from nbla_test_utils import list_context
label_desc: Use image node_id 1 for calling a global function with example usage: ref_eye_like(x, k) and returns: y