functional tests: Add a new test for deferred signature download
functional tests: Add a new test for deferred signature download

akshaykarle/rkt,joshix/rkt,sgotti/rkt,sgotti/rkt,achanda/rkt,mike1729/rkt,markllama/rkt,cab105/rkt,alban/rkt,cab105/rkt,squeed/rkt,alban/rkt,dgonyeo/rkt,matthaias/rkt,euank/rkt,sstabellini/rkt,il9ue/rkt,sinfomicien/rkt,rkt/rkt,intelsdi-x/rkt,Wilybald/rkt,tmrts/rkt,euank/rkt,linki/rkt,jakon89/rkt,joshix/rkt,yifan-gu/rocket,achanda/rkt,nhlfr/rkt,coreos/rkt,dgonyeo/rkt,Wilybald/rkt,il9ue/rkt,Shashwatsh/rkt,lucasallan/rkt,blixtra/rkt,cab105/rkt,linki/rkt,rkt/rkt,squeed/rkt,shobhit85/rkt,kbrwn/rkt,markllama/rkt,yifan-gu/rkt,intelsdi-x/rkt,sstabellini/rkt,ybubnov/rkt,kinvolk/rkt,matthaias/rkt,kinvolk/rkt,kbrwn/rkt,yifan-gu/rocket,rkt/rkt,shobhit85/rkt,monstermunchkin/rkt,markllama/rkt,shobhit85/rkt,Wilybald/rkt,blixtra/rkt,lucasallan/rkt,jakon89/rkt,endocode/rkt,ybubnov/rkt,Wilybald/rkt,squeed/rkt,sinfomicien/rkt,kinvolk/rkt,sstabellini/rkt,kbrwn/rkt,jjlakis/rkt,mike1729/rkt,Shashwatsh/rkt,blixtra/rkt,akshaykarle/rkt,jonboulle/rkt,intelsdi-x/rkt,jakon89/rkt,yifan-gu/rkt,coreos/rkt,jonboulle/rkt,rkt/rkt,sinfomicien/rkt,lucasallan/rkt,lucasallan/rkt,yifan-gu/rkt,mike1729/rkt,s-urbaniak/rkt,monstermunchkin/rkt,akshaykarle/rkt,tmrts/rkt,sgotti/rkt,coreos/rkt,tmrts/rkt,yifan-gu/rocket,euank/rkt,achanda/rkt,monstermunchkin/rkt,Shashwatsh/rkt,endocode/rkt,kinvolk/rkt,jjlakis/rkt,il9ue/rkt,alban/rkt,nhlfr/rkt,jonboulle/rkt,dgonyeo/rkt,matthaias/rkt,s-urbaniak/rkt,ybubnov/rkt,jjlakis/rkt,joshix/rkt,s-urbaniak/rkt,joshix/rkt,endocode/rkt,nhlfr/rkt,linki/rkt