async def METHOD_NAME(
    decoy: Decoy,
    mock_engine_store: EngineStore,
    run: Run,
    labware_definition: LabwareDefinition,
) -> None:
    """It should be able to add a labware definition to the engine."""
    uri = pe_types.LabwareUri("some/definition/uri")
    decoy.when(
        mock_engine_store.engine.add_labware_definition(labware_definition)
    ).then_return(uri)
    result = await add_labware_definition(
        engine_store=mock_engine_store,
        run=run,
        request_body=RequestModel(data=labware_definition),
    )
    assert result.content.data == LabwareDefinitionSummary(definitionUri=uri)
    assert result.status_code == 201