Tests that calling getter on prototype will call it on the object.

console-call-getter-on-proto.js:29 B {value: 239}
    value: 239
    foo: 239
    [[Prototype]]: A
        constructor: ƒ ()
        foo: 239
        [[Prototype]]: Object
            constructor: ƒ ()
            foo: 239
            get foo: ƒ foo()
            [[Prototype]]: Object