fix: Re-enable alloc max size test

[petamoriken]

related #21036

[aapoalas]

Does it pass with one element less? (I mean, is that a valid allocation?)

[petamoriken]

With one element less, it might depend on the environment. It failed in my environment and the error message has changed.

> new Uint8Array(2 ** 53)
Uncaught RangeError: Invalid typed array length: 9007199254740992
    at new Uint8Array (<anonymous>)
    at <anonymous>:1:22

> new Uint8Array(2 ** 53 - 1)
Uncaught RangeError: Array buffer allocation failed
    at new ArrayBuffer (<anonymous>)
    at new Uint8Array (<anonymous>)
    at <anonymous>:1:22

[aapoalas]

Looks good to me!