it('covers unpacking unsupported version', async function () {
const badBuffer = Buffer.alloc(128);
badBuffer.writeUInt8(0, 0); // No such thing as version 0
- const badPayload = badBuffer.toString('base64');
+ const badPayload = badBuffer.toString('base64url');
assert.rejects(() => mb.unpack(badPayload), RangeError);
});