openzeppelin-contracts/test/proxy/transparent/TransparentUpgradeableProxy.test.js

const shouldBehaveLikeProxy = require('../Proxy.behaviour');
const shouldBehaveLikeTransparentUpgradeableProxy = require('./TransparentUpgradeableProxy.behaviour');

const TransparentUpgradeableProxy = artifacts.require('TransparentUpgradeableProxy');
const ITransparentUpgradeableProxy = artifacts.require('ITransparentUpgradeableProxy');

contract('TransparentUpgradeableProxy', function (accounts) {
  const [proxyAdminAddress, proxyAdminOwner] = accounts;

  const createProxy = async function (logic, admin, initData, opts) {
    const { address } = await TransparentUpgradeableProxy.new(logic, admin, initData, opts);
    return ITransparentUpgradeableProxy.at(address);
  };

  shouldBehaveLikeProxy(createProxy, proxyAdminAddress, proxyAdminOwner);
  shouldBehaveLikeTransparentUpgradeableProxy(createProxy, accounts);
});