Fix linting errors

test/token/ERC1155/extensions/ERC1155URIStorage.js

@@ -1,64 +1,61 @@
-const { BN, expectRevert } = require('@openzeppelin/test-helpers');
+const { BN } = require('@openzeppelin/test-helpers');
 
 const { expect } = require('chai');
 const { artifacts } = require('hardhat');
 
 const ERC1155URIStorageMock = artifacts.require('ERC1155URIStorageMock');
 
 contract(['ERC1155URIStorage'], function (accounts) {
-  const [ holder, operator, other ] = accounts;
+  const [ holder ] = accounts;
 
   const uri = 'https://token.com/';
 
   const tokenId = new BN('1');
   const amount = new BN('3000');
 
-  describe('with base uri set', function() {
-
-    beforeEach(async function() {
+  describe('with base uri set', function () {
+    beforeEach(async function () {
       this.token = await ERC1155URIStorageMock.new(uri);
 
       await this.token.mint(holder, tokenId, amount, '0x');
     });
 
-    it('can request the token uri, returning the base uri if no token uri was set', async function() {
+    it('can request the token uri, returning the base uri if no token uri was set', async function () {
       const receivedTokenUri = await this.token.tokenURI(tokenId);
 
       expect(receivedTokenUri).to.be.equal(uri);
     });
 
-
-    it('can request the token uri, returning the concatenated uri if a token uri was set', async function() {
+    it('can request the token uri, returning the concatenated uri if a token uri was set', async function () {
       const tokenUri = '1234/';
       await this.token.setTokenURI(tokenId, tokenUri);
-      
+
       const receivedTokenUri = await this.token.tokenURI(tokenId);
 
       expect(receivedTokenUri).to.be.equal(`${uri}${tokenUri}`);
     });
   });
 
-  describe('with base uri set to the empty string', function() {
-
-    beforeEach(async function() {
+  describe('with base uri set to the empty string', function () {
+    beforeEach(async function () {
       this.token = await ERC1155URIStorageMock.new('');
 
       await this.token.mint(holder, tokenId, amount, '0x');
     });
 
-    it('can request the token uri, returning an empty string if no token uri was set', async function() {
+    it('can request the token uri, returning an empty string if no token uri was set', async function () {
       const receivedTokenUri = await this.token.tokenURI(tokenId);
 
       expect(receivedTokenUri).to.be.equal('');
     });
 
-    it('can request the token uri, returning the token uri if a token uri was set', async function() {
+    it('can request the token uri, returning the token uri if a token uri was set', async function () {
       const tokenUri = 'ipfs://1234/';
       await this.token.setTokenURI(tokenId, tokenUri);
-      
+
       const receivedTokenUri = await this.token.tokenURI(tokenId);
 
       expect(receivedTokenUri).to.be.equal(tokenUri);
     });
   });
-});
+});