code: def test_create_and_release_backprop_id():
      context = chainerx.Context()
      backprop_id = context.make_backprop_id("bp1")
  
      assert "bp1" == backprop_id.name
      assert context == backprop_id.context
  
      context._check_valid_backprop_id(backprop_id)
  
      context.release_backprop_id(backprop_id)
  
      with pytest.raises(chainerx.ChainerxError):
          context._check_valid_backprop_id(backprop_id)
  
imports: import chainerx
  import pytest
label_desc: Use image node_id 23 for calling a global function with example usage: test_create_and_release_backprop_id() without return types