Fix the tests

test/sequelize/log.test.js

@@ -12,10 +12,17 @@ chai.config.includeStack = true
 
 describe(Support.getTestDialectTeaser("Sequelize"), function () {
   describe('log', function() {
+    beforeEach(function() {
+      this.spy = sinon.spy(console, 'log')
+    })
+
+    afterEach(function() {
+      console.log.restore()
+    })
+
     describe("with disabled logging", function() {
       beforeEach(function() {
         this.sequelize = new Support.Sequelize('db', 'user', 'pw', { logging: false })
-        this.spy       = sinon.spy(console.log)
       })
 
       it("does not call the log method of the logger", function() {
@@ -27,32 +34,31 @@ describe(Support.getTestDialectTeaser("Sequelize"), function () {
     describe('with default logging options', function() {
       beforeEach(function() {
         this.sequelize = new Support.Sequelize('db', 'user', 'pw')
-        this.spy       = sinon.spy(console.log)
       })
 
       describe("called with no arguments", function() {
         it('calls the log method', function() {
           this.sequelize.log()
-          expect(this.spy.calledOnce).to.be.false
+          expect(this.spy.calledOnce).to.be.true
         })
 
         it('logs an empty string as info event', function() {
           this.sequelize.log()
-          expect(this.spy.withArgs('').calledOnce).to.be.false
+          expect(this.spy.calledOnce).to.be.true
         })
       })
 
       describe("called with one argument", function() {
         it('logs the passed string as info event', function() {
           this.sequelize.log('my message')
-          expect(this.spy.withArgs('my message').calledOnce).to.be.false
+          expect(this.spy.withArgs('my message').calledOnce).to.be.true
         })
       })
 
       describe("called with more than two arguments", function() {
         it("passes the arguments to the logger", function() {
           this.sequelize.log('error', 'my message', 1, { a: 1 })
-          expect(this.spy.withArgs('error', 'my message', 1, { a: 1 }).calledOnce).to.be.false
+          expect(this.spy.withArgs('error', 'my message', 1, { a: 1 }).calledOnce).to.be.true
         })
       })
     })