code: def test__xla_model():
      available_backends = _XlaDistModel.available_backends
      assert "xla-tpu" in available_backends
  
      with pytest.raises(ValueError, match=r"Backend should be one of"):
          _XlaDistModel.create_from_backend("abc")
  
file_path: ignite/tests/ignite/distributed/comp_models/test_xla.py
imports: import os
  import pytest
  import torch
  from ignite.distributed.comp_models import has_xla_support
label_desc: Use image node_id 1 for calling a global function with example usage: test__xla_model() without return types