Tests that property values can be edited inline in the console via double click.

logToConsole()
console-edit-property-value.js:19 {a: 1, b: 'foo', c: null, d: 2}
    a: 3
    b: "foo"
    c: (3) [1, 2, 3]
    d: {x: 2}
    [[Prototype]]: Object
undefined