code: def _get_test_data(testdata_dir):
      from PIL import Image
  
      image_files = ["digit-2.jpg"]
  
      for file in image_files:
          img = Image.open(testdata_dir / file).resize((28, 28))
          img = np.asarray(img).astype("uint8")
          sample = np.reshape(img, -1)
  
      output_shape = (1, 10)
  
      return sample, output_shape
  
file_path: tvm/tests/micro/zephyr/test_zephyr_armv7m.py
imports: import os
  import pathlib
  import pytest
  import numpy
  import tvm
  import tvm.rpc
  import tvm.micro
  import tvm.testing
  from tvm import relay
  from tvm.contrib.download import download_testdata
  from tvm.relay.backend import Executor, Runtime
  from .None import utils
label_desc: Use image node_id 2 for calling a global function with example usage: _get_test_data(testdata_dir) and returns: sample,  output_shape