text: jest.mock("../src/libs/iamClient");
  jest.mock("@aws-sdk/client-iam");
  
  // Get service clients module and commands.
  import 'regenerator-runtime/runtime'
  import { run, params } from "../src/iam_deleteaccountalias";
  import { iamClient } from "../src/libs/iamClient";
  
  describe("@aws-sdk/client-iam mock", () => {
    it("should successfully mock IAM client", async () => {
      iamClient.send.mockResolvedValue({ isMock: true });
      const response = await run(params);
      expect(response.isMock).toEqual(true);
    });
  });
  