code: def test_numincrby(client):
      client.json().set("num", Path.root_path(), 1)
      assert_resp_response(
          client,
          client.json().numincrby("num", Path.root_path(), 1),
          2,
          [2],
      )
      assert_resp_response(
          client,
          client.json().numincrby("num", Path.root_path(), 0.5),
          2.5,
          [2.5],
      )
      assert_resp_response(
          client,
          client.json().numincrby("num", Path.root_path(), -1.25),
          1.25,
          [1.25],
      )
  
imports: import pytest
  import redis
  from redis import Redis, exceptions
  from redis.commands.json.decoders import decode_list, unstring
  from redis.commands.json.path import Path
  from .conftest import _get_client, assert_resp_response, skip_ifmodversion_lt
label_desc: Use image node_id 13 for calling a global function with example usage: test_numincrby(client) without return types