Contract creator should have 100 shares of apartament

Apartment.sol

//SPDX-License-Identifier: Unlicense
pragma solidity ^0.8.0;

import "hardhat/console.sol";
import "@openzeppelin/contracts/token/ERC20/ERC20.sol";

contract Apartment is ERC20 {


    constructor() ERC20("ApartmentContract", "APRTM") {
        super._mint(_msgSender(), 100);
        console.log("Deploying a Greeter with greeting:");

    }
}

index.ts

import { expect } from "chai";
import { BigNumber } from "ethers";
import { ethers } from "hardhat";
let owner, Alice, Bob, Joe;

describe("Apartment", function () {


  it("Contract creator should have 100 shares of apartament",async () => {
    const Apartment = await ethers.getContractFactory("Apartment");
    const apartment = await Apartment.deploy();

    [owner, Alice, Bob, Joe] = await ethers.getSigners();

    await apartment.deployed();
    let ownerBalance = await apartment.balanceOf(owner.address);

    expect(ownerBalance).to.equal(100);

  })
});