Add unit test for flow reload api
Add unit test for flow reload api

wajnberg/node-red,mw75/node-red,Kazuki-Nakanishi/node-red,ioglue/ioglue,estbeetoo/beetoo-controller,augustnmonteiro/skills-visual-programming,xively/habanero,retailos/node-red,knolleary/node-red,rdrm2014/node-red,btsimonh/node-red,btsimonh/node-red,giovannicuriel/mashup,estbeetoo/beetoo-controller,node-red/node-red,giovannicuriel/mashup,Kazuki-Nakanishi/node-red,dojot/mashup,xively/habanero,xively/habanero,kanki8086/node-red,mw75/node-red,ddm/node-red,dbuentello/node-red,estbeetoo/beetoo-controller,ioglue/ioglue,dbuentello/node-red,ddm/node-red,rdrm2014/node-red,mw75/node-red,node-red/node-red,HiroyasuNishiyama/node-red,augustnmonteiro/skills-visual-programming,btsimonh/node-red,giovannicuriel/mashup,node-red/node-red,wajnberg/node-red,kanki8086/node-red,wajnberg/node-red,wajnberg/node-red,knolleary/node-red,xively/habanero,dojot/mashup,HiroyasuNishiyama/node-red,retailos/node-red,kanki8086/node-red,MaxXx1313/my-node-red,MaxXx1313/my-node-red,dojot/mashup,redconnect-io/node-red,ddm/node-red,estbeetoo/beetoo-controller,mw75/node-red,dojot/mashup,giovannicuriel/mashup,ioglue/ioglue,namgk/node-red,redconnect-io/node-red,MaxXx1313/my-node-red,ddm/node-red,Kazuki-Nakanishi/node-red,retailos/node-red,augustnmonteiro/skills-visual-programming,rdrm2014/node-red,MaxXx1313/my-node-red,HiroyasuNishiyama/node-red,knolleary/node-red,kanki8086/node-red,Kazuki-Nakanishi/node-red,namgk/node-red,redconnect-io/node-red,rdrm2014/node-red,retailos/node-red,augustnmonteiro/skills-visual-programming,dbuentello/node-red,dbuentello/node-red,redconnect-io/node-red,knolleary/node-red