Add variants of Array.sort for address[] and bytes32[] (#4883)

Co-authored-by: Ernesto García <ernestognw@gmail.com>

test/helpers/random.js

@@ -1,7 +1,5 @@
 const { ethers } = require('hardhat');
 
-const randomArray = (generator, arrayLength = 3) => Array(arrayLength).fill().map(generator);
-
 const generators = {
   address: () => ethers.Wallet.createRandom().address,
   bytes32: () => ethers.hexlify(ethers.randomBytes(32)),
@@ -15,6 +13,5 @@ generators.uint256.zero = 0n;
 generators.hexBytes.zero = '0x';
 
 module.exports = {
-  randomArray,
   generators,
 };