code: def device_name(request):
      # A fixture to check if a device is available using its name
  
      device_name = request.param
      _skip_if_no_cuda_device_available(device_name)
  
      return device_name
  
imports: import pytest
  import chainerx.testing
  from chainerx_tests import cuda_utils
label_desc: Use image node_id 11 for calling a global function with example usage: device_name(request) and returns: device_name