fix old helpers

test/ownership/Ownable.test.js

-const { EVMRevert } = require('../helpers/EVMRevert');
-const { expectThrow } = require('../helpers/expectThrow');
+const { shouldFail } = require('../helpers/shouldFail');
+
+require('../helpers/setup');
 
 const { shouldBehaveLikeOwnable } = require('./Ownable.behavior');
 
@@ -11,7 +12,7 @@ contract('Ownable', function ([_, owner, anyone, ...otherAccounts]) {
   });
 
   it('cannot be reinitialized', async function () {
-    await expectThrow(this.ownable.initialize(anyone), EVMRevert);
+    await shouldFail.reverting(this.ownable.initialize(anyone));
   });
 
   shouldBehaveLikeOwnable(owner, otherAccounts);

test/token/ERC20/StandaloneERC20.test.js

 const encodeCall = require('zos-lib/lib/helpers/encodeCall').default;
 const { shouldBehaveLikeERC20Mintable } = require('./behaviors/ERC20Mintable.behavior');
-const { assertRevert } = require('../../helpers/assertRevert');
+const { shouldFail } = require('../../helpers/shouldFail');
 
 const BigNumber = web3.BigNumber;
 
@@ -44,7 +44,7 @@ contract('StandaloneERC20', function ([
 
   describe('with all arguments', function () {
     it('reverts if initial balance is zero', async function () {
-      await assertRevert(
+      await shouldFail.reverting(
         initializeFull(this.token, name, symbol, decimals, 0, ZERO_ADDRESS, minters, pausers, deployer)
       );
     });