const { accounts, contract } = require('@openzeppelin/test-environment'); const shouldBehaveLikeUpgradeableProxy = require('./UpgradeableProxy.behaviour'); const UpgradeableProxy = contract.fromArtifact('UpgradeableProxy'); describe('UpgradeableProxy', function () { const [proxyAdminOwner] = accounts; const createProxy = async function (implementation, _admin, initData, opts) { return UpgradeableProxy.new(implementation, initData, opts); }; shouldBehaveLikeUpgradeableProxy(createProxy, undefined, proxyAdminOwner); });