mocha@2.5.0 breaks build ⚠️ (#5946)
mocha@2.5.0 breaks build ⚠️ (#5946)

* chore(package): update mocha to version 2.5.0

https://greenkeeper.io/

* chore(package): mocha@2.5.1

Alexsey/sequelize,p0vidl0/sequelize,PhinCo/sequelize,inDream/sequelize,darwinserrano/sequelize,gintsgints/sequelize,felixfbecker/sequelize,alekbarszczewski/sequelize,Wsiegenthaler/sequelize,jayprakash1/sequelize,toddbluhm/sequelize,nemisj/sequelize,seshness/sequelize,alitaheri/sequelize,tornillo/sequelize,overlookmotel/sequelize,sequelize/sequelize,gutobortolozzo/sequelize,yjwong/sequelize,Americas/sequelize,konnecteam/sequelize,yonjah/sequelize,subjectix/sequelize,sequelize/sequelize,inDream/sequelize,topikachu/sequelize,jayprakash1/sequelize,majorleaguesoccer/sequelize,PsiXdev/sequelize,StefanoDalpiaz/sequelize,cbauerme/sequelize,paolord/sequelize,Verdier/sequelize,abegines/sequelize,grimurd/sequelize,Americas/sequelize,overlookmotel/sequelize,gorangajic/sequelize,konnecteam/sequelize,DavidMorton/sequelize,sorin/sequelize,mikeringrose/sequelize,pola88/sequelize,sequelize/sequelize