code: def test_reshape_double_backward(
      seed, ctx, func_name, inshape, outshape, inplace
  ):
      from nbla_test_utils import (
          cap_ignore_region,
          backward_function_tester,
      )
  
      rng = np.random.RandomState(seed)
      # Input
      inputs = [rng.randn(*inshape).astype(np.float32)]
      # TODO: backward_ref
      backward_function_tester(
          rng,
          F.reshape,
          inputs=inputs,
          func_args=[outshape, inplace],
          func_kwargs={},
          atol_accum=5e-3,
          dstep=1e-3,
          ctx=ctx,
      )
  
file_path: nnabla/python/test/function/test_reshape.py
imports: import pytest
  import numpy
  import nnabla
  import nnabla.functions
  from nbla_test_utils import list_context
label_desc: Use image node_id 4 for calling a global function with example usage: test_reshape_double_backward(seed, ctx, func_name, inshape, outshape, inplace) without return types