meta_graph_def = output_loader.get_meta_graph_def_from_tags(tags)
    function_aliases = meta_graph_def.meta_info_def.function_aliases
    self.assertNotEmpty(function_aliases)
    self.assertCountEqual(function_aliases.values(), {'conv_func'})

    # Test that the aliased function contains a quantized op.
    for func_name, alias in function_aliases.items():
      if alias == 'conv_func':