Test to ensure correct behaviour of ShadowRealm global scope On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". Object.getPrototypeOf(globalThis) === Object.prototype globalThis.__proto__ = { alpha: "omega" }; Object.setPrototypeOf(globalThis, { chuckle: "buckle" }); Reflect.setPrototypeOf(globalThis, { zoo: "moo" }); PASS ShadowRealm global scope is an ordinary object