Changed before for beforeAll, refactored Bouncer tests. (#1094)

* Changed before for beforeAll, refactored Bouncer tests.

* Fixed linter errors.

* fix: updates for SignatureBouncer tests and voucher construction

test/ownership/HasNoEther.test.js

@@ -7,7 +7,7 @@ const ForceEther = artifacts.require('ForceEther');
 contract('HasNoEther', function (accounts) {
   const amount = web3.toWei('1', 'ether');
 
-  it('should be constructorable', async function () {
+  it('should be constructible', async function () {
     await HasNoEtherTest.new();
   });
 

test/ownership/Whitelist.test.js

@@ -17,7 +17,7 @@ contract('Whitelist', function (accounts) {
 
   const whitelistedAddresses = [whitelistedAddress1, whitelistedAddress2];
 
-  before(async function () {
+  beforeEach(async function () {
     this.mock = await WhitelistMock.new();
     this.role = await this.mock.ROLE_WHITELISTED();
   });

test/ownership/rbac/RBAC.test.js

@@ -19,7 +19,7 @@ contract('RBAC', function (accounts) {
     ...advisors
   ] = accounts;
 
-  before(async () => {
+  beforeEach(async () => {
     mock = await RBACMock.new(advisors, { from: admin });
   });