Used the wrong `sequelize` in tests

test/associations/has-many.test.js

@@ -656,20 +656,17 @@ describe(Support.getTestDialectTeaser("HasMany"), function() {
 
     describe('addAssociations', function() {
       it('supports transactions', function(done) {
-        var self = this
-
         Support.prepareTransactionTest(this.sequelize, function(sequelize) {
-          var User = self.sequelize.define('User', { username: DataTypes.STRING })
-            , Task = self.sequelize.define('Task', { title: DataTypes.STRING })
+          var User = sequelize.define('User', { username: DataTypes.STRING })
+            , Task = sequelize.define('Task', { title: DataTypes.STRING })
 
           User.hasMany(Task)
           Task.hasMany(User)
 
-          User.sync({ force: true }).success(function() {
-            Task.sync({ force: true }).success(function() {
+          sequelize.sync({ force: true }).success(function() {
             User.create({ username: 'foo' }).success(function(user) {
               Task.create({ title: 'task' }).success(function(task) {
-                  self.sequelize.transaction(function(t){
+                sequelize.transaction(function(t){
                   task.addUser(user, { transaction: t }).success(function() {
                     task.hasUser(user).success(function(hasUser) {
                       expect(hasUser).to.be.false
@@ -686,7 +683,6 @@ describe(Support.getTestDialectTeaser("HasMany"), function() {
         })
       })
     })
-    })
 
     describe('optimizations using bulk create, destroy and update', function () {
       beforeEach(function (done) {