ReasonJun

import { loadFixture } from '@nomicfoundation/hardhat-network-helpers'; import { expect } from 'chai'; import { ethers } from 'hardhat'; describe('VendingMachine', function () { // We define a fixture to reuse the same setup in every test. // We use loadFixture to run this setup once, snapshot that state, // and reset Hardhat Network to that snapshot in every test. async function VendingMachineF..