add tests for paired
add tests for paired

thezawad/flexx,shaunstanislaus/flexx,alihalabyah/flexx,lovesnow/flexx,amanikamail/flexx,a9261/flexx,manashmndl/flexx,hungle90/flexx,alihalabyah/flexx,thezawad/flexx,lancheng/flexx,stonebig/flexx,gale320/flexx,synmnstr/flexx,sesh/flexx,NateChambers/flexx,a9261/flexx,chengjunjian/flexx,kuyun-zhangyang/flexx,stonebig/flexx,jrversteegh/flexx,shaunstanislaus/flexx,manashmndl/flexx,lovesnow/flexx,hungle90/flexx,abhishekgahlot/flexx,zoofIO/flexx,chengjunjian/flexx,amanikamail/flexx,dut3062796s/flexx,NateChambers/flexx,almarklein/flexx,Muktesh01/flexx,Muktesh01/flexx,lancheng/flexx,sesh/flexx,almarklein/flexx,jrversteegh/flexx,JohnLunzer/flexx,JohnLunzer/flexx,kevinlondon/flexx,dut3062796s/flexx,kuyun-zhangyang/flexx,almarklein/flexx,JohnLunzer/flexx,zoofIO/flexx,abhishekgahlot/flexx,gale320/flexx,kevinlondon/flexx,synmnstr/flexx