code: def test_numpy_fftshift(
      dtype_and_x, backend_fw, frontend, test_flags, fn_tree, on_device
  ):
      input_dtype, arr = dtype_and_x
      helpers.test_frontend_function(
          input_dtypes=input_dtype,
          frontend=frontend,
          backend_to_test=backend_fw,
          test_flags=test_flags,
          fn_tree=fn_tree,
          on_device=on_device,
          test_values=True,
          x=arr[0],
          axes=None,
      )
  
file_path: ivy/ivy_tests/test_ivy/test_frontends/test_numpy/test_fft/test_discrete_fourier_transform.py
imports: from hypothesis import strategies
  import ivy_tests.test_ivy.helpers
  from ivy_tests.test_ivy.helpers import handle_frontend_test
  from ivy_tests.test_ivy.test_functional.test_experimental.test_nn.test_layers import _x_and_ifft, _x_and_rfftn
label_desc: Use image node_id 3 for calling a global function with example usage: test_numpy_fftshift(dtype_and_x, backend_fw, frontend, test_flags, fn_tree, on_device) without return types