message: test: check if bulkRequestIndex is not set
diff: @@ -26,6 +26,7 @@ describe("KintoneRestAPIError", () => {
  expect(kintoneRestAPIError.code).toBe(errorResponse.data.code);
  expect(kintoneRestAPIError.errors).toEqual(errorResponse.data.errors);
  expect(kintoneRestAPIError.status).toBe(errorResponse.status);
  + expect(kintoneRestAPIError.bulkRequestIndex).toBe(undefined);
  expect(kintoneRestAPIError.headers).toEqual(errorResponse.headers);
  expect(kintoneRestAPIError.message).toBe(
  `[${errorResponse.status}] [${errorResponse.data.code}] ${errorResponse.data.message} (${errorResponse.data.id})`
  