QuantizationSpec& user_provided_spec = *config.mutable_specs()->add_specs();
  user_provided_spec.mutable_matcher()->mutable_function_name()->set_regex(
      "composite_dot_general_fn_1");
  user_provided_spec.mutable_method()->mutable_no_quantization();

  // Test that the expanded `QuantizationSpec`s are populated first and then
  // user-provided specs are appended.
  //
  // It should look like:
  //

  QuantizationResult result{};
  QuantizableUnit& quantizable_unit = *result.mutable_quantizable_unit();
  quantizable_unit.set_name("quantized_my_function");

  Method& method = *result.mutable_method();
  method.mutable_no_quantization();

  QuantizationReport report{};
  report.AddQuantizationResult(std::move(result));

  const QuantizationResults& results = report.GetQuantizationResults();