text: const mockList1000PlusObjects = jest.fn();
  jest.mock("@aws-sdk/client-s3", () => ({
    S3: function S3() {
      this.listObjects = mockList1000PlusObjects;
    },
  }));
  const { bucketParams } = require("../../s3/s3_list1000plusobjects");
  
  //test function
  test("has to mock S3#list1000PlusObjects", async (done) => {
    await run();
    expect(mockList1000PlusObjects).toHaveBeenCalled;
    done();
  });
  