code: def get_pytest_marks(self):
      marks = []
      if self.use_chainerx:
          marks.append(attr.chainerx)
          backend_name, device_index = self.chainerx_device.split(":")
          device_index = int(device_index)
          if backend_name == "cuda":
              marks.append(attr.gpu)
              if device_index >= 1:
                  marks.append(attr.multi_gpu(device_index + 1))
      elif self.use_cuda:
          marks.append(attr.gpu)
          if self.use_cudnn != "never":
              marks.append(attr.cudnn)
          if self.cuda_device >= 1:
              marks.append(attr.multi_gpu(self.cuda_device + 1))
      else:
          if self.use_ideep != "never":
              marks.append(attr.ideep)
  
      assert all(callable(_) for _ in marks)
      return marks
  
imports: import functools
  import chainer
  from chainer import backend
  from chainer.testing import _bundle
  from chainer.testing import attr
  import chainerx
label_desc: Use image node_id 10 for calling the BackendConfig obj's underlying member method code with example usage: obj.get_pytest_marks() and returns: marks