it('correctly decodes an AccountId', (): void => {
    const a = registry.createType('MultiAddress', '0x0102030405060708010203040506070801020304050607080102030405060708');

    expect(a.index).toEqual(0);
    expect(a.toString()).toEqual('5C62W7ELLAAfix9LYrcx5smtcffbhvThkM5x7xfMeYXCtGwF');