code: def test_open_should_open_image(self):
      # Test query runs successfully with Open function call.
      select_query = (
          """SELECT num, Open("{}") FROM testOpenTable;""".format(
              self.img_path
          )
      )
      batch_res = execute_query_fetch_all(self.evadb, select_query)
  
      expected_img = np.array(np.ones((3, 3, 3)), dtype=np.float32)
      expected_img[0] -= 1
      expected_img[2] += 1
  
      expected_batch = Batch(
          pd.DataFrame(
              {
                  "testopentable.num": [1, 2],
                  "open.data": [expected_img, expected_img],
              }
          )
      )
      # We need sort. With ray enabled, the order is not guaranteed.
      batch_res.sort_orderby(by=["testopentable.num"])
      expected_batch.sort_orderby(by=["testopentable.num"])
      self.assertEqual(expected_batch, batch_res)
  
file_path: evadb/test/integration_tests/long/test_open.py
imports: import unittest
  from test.util import create_sample_image, file_remove, get_evadb_for_testing, load_functions_for_testing, shutdown_ray
  import numpy
  import pandas
  import pytest
  from evadb.models.storage.batch import Batch
  from evadb.server.command_handler import execute_query_fetch_all
  from evadb.storage.storage_engine import StorageEngine
label_desc: Use image node_id 3 for calling the OpenTests obj's underlying member method code with example usage: obj.test_open_should_open_image() without return types