code: def test_mgr_utils():
      mgr = kp.Manager()
  
      props = mgr.get_device_properties()
  
      assert "device_name" in props
  
      devices = mgr.list_devices()
  
      assert len(devices) > 0
      assert "device_name" in devices[0]
  
file_path: kompute/python/test/test_kompute.py
imports: import os
  import kp
  import numpy
  import logging
  import pyshader
  from .utils import compile_source
label_desc: Use image node_id 7 for calling a global function with example usage: test_mgr_utils() without return types