functional tests: Properly cleanup patched ACI in caps tests
functional tests: Properly cleanup patched ACI in caps tests

PatchTestACI must be followed up by the deferred image removal.
Otherwise we might clutter the disk with patched ACIs.

In this case if the second patching failed, the first patched image
would not be removed.

kinvolk/rkt,coreos/rkt,sstabellini/rkt,squeed/rkt,smarvin/rkt,akshaykarle/rkt,mjg59/rkt,iaguis/rkt,chrisseto/rkt,ybubnov/rkt,marineam/rkt,coreos/rkt,alban/rkt,lee212/rkt,nhlfr/rkt,Shashwatsh/rkt,squeed/rkt,s-urbaniak/rkt,lucasallan/rkt,nhlfr/rkt,linki/rkt,sgotti/rkt,jjlakis/rkt,rkt/rkt,alexhersh/rkt,jasonchaffee/rkt,euank/rkt,yifan-gu/rocket,marineam/rkt,Shashwatsh/rkt,liugenping/rkt,jjlakis/rkt,ybubnov/rkt,il9ue/rkt,adfernandes/rkt,sinfomicien/rkt,iankronquist/rkt,joshix/rkt,s-urbaniak/rkt,s-urbaniak/rkt,iankronquist/rkt,tv42/rkt,jzelinskie/rkt,luebken/rkt,blixtra/rkt,iankronquist/rkt,Wilybald/rkt,monstermunchkin/rkt,linki/rkt,monstermunchkin/rkt,lee212/rkt,alban/rkt,tv42/rkt,lucasallan/rkt,liubq919/rkt,rkt/rkt,il9ue/rkt,sstabellini/rkt,shobhit85/rkt,yifan-gu/rocket,luebken/rkt,intelsdi-x/rkt,mike1729/rkt,markllama/rkt,krnowak/rkt,alexhersh/rkt,intfrr/rkt,jonboulle/rkt,Yhgenomics/rkt,jasonchaffee/rkt,Wilybald/rkt,yifan-gu/rocket,sstabellini/rkt,kbrwn/rkt,euank/rkt,tmrts/rkt,alban/rkt,sgotti/rkt,matthaias/rkt,joshix/rkt,euank/rkt,jzelinskie/rkt,iaguis/rkt,yifan-gu/rkt,Wilybald/rkt,liugenping/rkt,squeed/rkt,joshix/rkt,jasonchaffee/rkt,blixtra/rkt,dgonyeo/rkt,matthaias/rkt,rkt/rkt,kbrwn/rkt,akshaykarle/rkt,kinvolk/rkt,jakon89/rkt,chrisseto/rkt,adfernandes/rkt,krnowak/rkt,ybubnov/rkt,yifan-gu/rkt,Yhgenomics/rkt,smarvin/rkt,kinvolk/rkt,yifan-gu/rkt,Wilybald/rkt,jakon89/rkt,Yhgenomics/rkt,matthaias/rkt,intelsdi-x/rkt,cab105/rkt,achanda/rkt,intfrr/rkt,tmrts/rkt,markllama/rkt,lee212/rkt,intfrr/rkt,endocode/rkt,jzelinskie/rkt,alexhersh/rkt,dalanlan/rkt,joshix/rkt,dgonyeo/rkt,sinfomicien/rkt,blixtra/rkt,tmrts/rkt,dalanlan/rkt,kinvolk/rkt,marineam/rkt,mjg59/rkt,endocode/rkt,endocode/rkt,luebken/rkt,linki/rkt,kbrwn/rkt,tv42/rkt,lucasallan/rkt,jonboulle/rkt,mjg59/rkt,jjlakis/rkt,akshaykarle/rkt,lucasallan/rkt,sgotti/rkt,krnowak/rkt,achanda/rkt,achanda/rkt,nhlfr/rkt,markllama/rkt,liugenping/rkt,shobhit85/rkt,iaguis/rkt,mike1729/rkt,jonboulle/rkt,dgonyeo/rkt,chrisseto/rkt,dalanlan/rkt,smarvin/rkt,coreos/rkt,intelsdi-x/rkt,monstermunchkin/rkt,Shashwatsh/rkt,cab105/rkt,rkt/rkt,shobhit85/rkt,liubq919/rkt,il9ue/rkt,adfernandes/rkt,cab105/rkt,jakon89/rkt,mike1729/rkt,sinfomicien/rkt,liubq919/rkt