remove unused test dir
remove unused test dir

lsjostro/synapse,gini/synapse,democracyworks/synapse,asiragusa/synapse,airbnb/synapse,StephanErb/synapse,EasonYi/synapse,Yelp/synapse,bobtfish/synapse,hankya/synapse,tdooner/synapse,johnmccabe/synapse,bcicen/synapse,jolynch/synapse,yonglehou/synapse-1,bobtfish/synapse,claydotio/synapse,freiheit-com/synapse,dallasmarlow/synapse