fix test

lib/dao.js

@@ -169,7 +169,7 @@ module.exports = (function() {
       } else {
         // Check if we have included models, and if this key matches the include model names/aliases
 
-        if (this.options && this.options.include && this.options.includeNames.indexOf(key) !== -1) {
+        if (this.options && this.options.include && this.options.includeNames.indexOf(key) !== -1 && value) {
           // Pass it on to the include handler
           this._setInclude(key, value, options)
           return

lib/dialects/abstract/query.js

@@ -413,6 +413,7 @@ module.exports = (function() {
       if (!options.checkExisting) {
         parseChildren(existingResult)
       }
+
     })
     
     // parseChildren after row parsing if duplicate values are possible

test/include.test.js

@@ -40,7 +40,7 @@ describe(Support.getTestDialectTeaser("Include"), function () {
     it('should not throw an error when an empty include is named the same as the foreign key', function (done) {
       var section = this.sequelize.define('section', { name: DataTypes.STRING });
       var layout = this.sequelize.define('layout', { name: DataTypes.STRING });
-       
+
       section.belongsTo(layout, {
         as: layout.name,
         foreignKey: layout.name,