only assert if we actually have async functions to perform
only assert if we actually have async functions to perform

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abs/ReactiveCocoa,vincentiss/ReactiveCocoa,hoanganh6491/ReactiveCocoa,zzqiltw/ReactiveCocoa,Ray0218/ReactiveCocoa,kaylio/ReactiveCocoa,DongDongDongDong/ReactiveCocoa,ailyanlu/ReactiveCocoa,tonyarnold/ReactiveCocoa,stevielu/ReactiveCocoa,ohwutup/ReactiveCocoa,jam891/ReactiveCocoa,zhaoguohui/ReactiveCocoa,leichunfeng/ReactiveCocoa,richeterre/ReactiveCocoa,natestedman/ReactiveCocoa,dullgrass/ReactiveCocoa,dskatz22/ReactiveCocoa,dz1111/ReactiveCocoa,WEIBP/ReactiveCocoa,msdgwzhy6/ReactiveCocoa,j364960953/ReactiveCocoa,yangshengchaoios/ReactiveCocoa,yangyangluoluo/ReactiveCocoa,calebd/ReactiveCocoa,JohnJin007/ReactiveCocoa,Pikdays/ReactiveCocoa,jeelun/ReactiveCocoa,towik/ReactiveCocoa,fhchina/ReactiveCocoa,huiping192/ReactiveCocoa,loupman/ReactiveCocoa,Adlai-Holler/ReactiveCocoa,richeterre/ReactiveCocoa,Khan/ReactiveCocoa,Pikdays/ReactiveCocoa,victorlin/ReactiveCocoa,luerhouhou/ReactiveCocoa,SanChain/ReactiveCocoa,BlessNeo/ReactiveCocoa,monkeydbobo/ReactiveCocoa,Farteen/ReactiveCocoa,yaoxiaoyong/ReactiveCocoa,gengjf/ReactiveCocoa,ztchena/ReactiveCocoa,stevielu/ReactiveCocoa,itschaitanya/ReactiveCocoa,jrmiddle/ReactiveCocoa,mxxiv/ReactiveCocoa,hilllinux/ReactiveCocoa,mtxs007/ReactiveCocoa,qq644531343/ReactiveCocoa,JohnJin007/ReactiveCocoa,hoanganh6491/ReactiveCocoa,ztchena/ReactiveCocoa,sdhzwm/ReactiveCocoa,ddc391565320/ReactiveCocoa,cnbin/ReactiveCocoa,windgo/ReactiveCocoa,shaohung001/ReactiveCocoa,wangqi211/ReactiveCocoa,pzw224/ReactiveCocoa,tzongw/ReactiveCocoa,stupidfive/ReactiveCocoa,llb1119/test,andersio/ReactiveCocoa,nikita-leonov/ReactiveCocoa,dullgrass/ReactiveCocoa,pzw224/ReactiveCocoa,imkerberos/ReactiveCocoa,fhchina/ReactiveCocoa,cstars135/ReactiveCocoa,hbucius/ReactiveCocoa,AllanChen/ReactiveCocoa,eyu1988/ReactiveCocoa,icepy/ReactiveCocoa,koamac/ReactiveCocoa,jackywpy/ReactiveCocoa,eyu1988/ReactiveCocoa,zhiwen1024/ReactiveCocoa,shaohung001/ReactiveCocoa,Rupert-RR/ReactiveCocoa,j364960953/ReactiveCocoa,itschaitanya/ReactiveCocoa,lixar/ReactiveCocoa,valleyman86/ReactiveCocoa,wpstarnice/ReactiveCocoa,taylormoonxu/ReactiveCocoa,almassapargali/ReactiveCocoa,LHDsimon/ReactiveCocoa,AlanJN/ReactiveCocoa,dz1111/ReactiveCocoa,jianwoo/ReactiveCocoa,sandyway/ReactiveCocoa,SanChain/ReactiveCocoa,eliperkins/ReactiveCocoa,howandhao/ReactiveCocoa,xiaobing2007/ReactiveCocoa,loupman/ReactiveCocoa,tipbit/ReactiveCocoa,vincentiss/ReactiveCocoa,longv2go/ReactiveCocoa,dskatz22/ReactiveCocoa,dskatz22/ReactiveCocoa,ailyanlu/ReactiveCocoa,chao95957/ReactiveCocoa,KJin99/ReactiveCocoa,icepy/ReactiveCocoa,LHDsimon/ReactiveCocoa,ddc391565320/ReactiveCocoa,paulyoung/ReactiveCocoa,SmartEncounter/ReactiveCocoa,goodheart/ReactiveCocoa,Carthage/ReactiveCocoa,kevin-zqw/ReactiveCocoa,Khan/ReactiveCocoa,imkerberos/ReactiveCocoa,tonyli508/ReactiveCocoa,yizzuide/ReactiveCocoa,JackLian/ReactiveCocoa,zxq3220122/ReactiveCocoa,loupman/ReactiveCocoa,tzongw/ReactiveCocoa,OneSmallTree/ReactiveCocoa,Ricowere/ReactiveCocoa,yytong/ReactiveCocoa,alvinvarghese/ReactiveCocoa,CCOOOOLL/ReactiveCocoa,Carthage/ReactiveCocoa,isghe/ReactiveCocoa,leichunfeng/ReactiveCocoa,sujeking/ReactiveCocoa,towik/ReactiveCocoa,rpowelll/ReactiveCocoa,jianwoo/ReactiveCocoa,JackLian/ReactiveCocoa,JohnJin007/ReactiveCocoa,ikesyo/ReactiveCocoa,KuPai32G/ReactiveCocoa,ikesyo/ReactiveCocoa,GuitarPlayer-Ma/ReactiveCocoa,wangqi211/ReactiveCocoa,mtxs007/ReactiveCocoa,ztchena/ReactiveCocoa,natan/ReactiveCocoa,jam891/ReactiveCocoa,liufeigit/ReactiveCocoa,jrmiddle/ReactiveCocoa,sujeking/ReactiveCocoa,ioshger0125/ReactiveCocoa,libiao88/ReactiveCocoa,335g/ReactiveCocoa,kiurentu/ReactiveCocoa,emodeqidao/ReactiveCocoa,hj3938/ReactiveCocoa,icepy/ReactiveCocoa,nickcheng/ReactiveCocoa,andersio/ReactiveCocoa,nickcheng/ReactiveCocoa,mattpetters/ReactiveCocoa,200895045/ReactiveCocoa,bencochran/ReactiveCocoa,jsslai/ReactiveCocoa,AndyZhaoHe/ReactiveCocoa,Ricowere/ReactiveCocoa,longv2go/ReactiveCocoa,monkeydbobo/ReactiveCocoa,koamac/ReactiveCocoa,zhigang1992/ReactiveCocoa,bensonday/ReactiveCocoa,KJin99/ReactiveCocoa,Juraldinio/ReactiveCocoa,ReactiveCocoa/ReactiveSwift,takeshineshiro/ReactiveCocoa,Ethan89/ReactiveCocoa,Remitly/ReactiveCocoa,esttorhe/ReactiveCocoa,CQXfly/ReactiveCocoa,zzzworm/ReactiveCocoa,gengjf/ReactiveCocoa,yytong/ReactiveCocoa,tonyli508/ReactiveCocoa,AndyZhaoHe/ReactiveCocoa,SanChain/ReactiveCocoa,brightcove/ReactiveCocoa,ceekayel/ReactiveCocoa,mattpetters/ReactiveCocoa,cogddo/ReactiveCocoa,smilypeda/ReactiveCocoa,sugar2010/ReactiveCocoa,mxxiv/ReactiveCocoa,jsslai/ReactiveCocoa,windgo/ReactiveCocoa,bensonday/ReactiveCocoa,FelixYin66/ReactiveCocoa,terry408911/ReactiveCocoa,imkerberos/ReactiveCocoa,towik/ReactiveCocoa,nikita-leonov/ReactiveCocoa,taylormoonxu/ReactiveCocoa,WEIBP/ReactiveCocoa,PSPDFKit-labs/ReactiveCocoa,shuxiashusheng/ReactiveCocoa,PSPDFKit-labs/ReactiveCocoa,leichunfeng/ReactiveCocoa,Pikdays/ReactiveCocoa,sujeking/ReactiveCocoa,yangyangluoluo/ReactiveCocoa,esttorhe/ReactiveCocoa,ceekayel/ReactiveCocoa,DongDongDongDong/ReactiveCocoa,walkingsmarts/ReactiveCocoa,Adlai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