Adding tests for when arguments to Mime.ext_from_type and Mime.type_from_ext are empty strings.
Adding tests for when arguments to Mime.ext_from_type and Mime.type_from_ext are empty strings.

jeffweiss/phoenix,fbjork/phoenix,nickgartmann/phoenix,Smulligan85/phoenix,elliotcm/phoenix,romul/phoenix,wsmoak/phoenix,0x00evil/phoenix,bdtomlin/phoenix,korobkov/phoenix,switchflip/phoenix,jamilabreu/phoenix,kholbekj/phoenix,y-yagi/phoenix,sdnorm/phoenix,CultivateHQ/phoenix,gjaldon/phoenix,omotenko/phoenix_auth,eksperimental/phoenix,safi/phoenix,daytonn/phoenix,nshafer/phoenix,jwarwick/phoenix,foxnewsnetwork/phoenix,esbullington/phoenix-1,evax/phoenix,Rumel/phoenix,trarbr/phoenix,wicliff/phoenix,bsodmike/phoenix,nicrioux/phoenix,ugisozols/phoenix,Kosmas/phoenix,gjaldon/phoenix,rodrigues/phoenix,mitchellhenke/phoenix,bsmr-erlang/phoenix,jamilabreu/phoenix,greyhwndz/phoenix,trarbr/phoenix,ericmj/phoenix,manukall/phoenix,optikfluffel/phoenix,brucify/phoenix,eksperimental/phoenix,keathley/phoenix,FND/phoenix,jwarwick/phoenix,phoenixframework/phoenix,jeffkreeftmeijer/phoenix,rafbgarcia/phoenix,CultivateHQ/phoenix,henrik/phoenix,keathley/phoenix,andrewvy/phoenix,michalmuskala/phoenix,Gazler/phoenix,JHKennedy4/phoenix,stefania11/phoenix,Dahoon/phoenix,pap/phoenix,bitgamma/phoenix,lono-devices/phoenix,rafbgarcia/phoenix,GabrielNicolasAvellaneda/phoenix,nshafer/phoenix,korobkov/phoenix,nshafer/phoenix,Smulligan85/phoenix,DavidAlphaFox/phoenix,michalmuskala/phoenix,mobileoverlord/phoenix,rafbgarcia/phoenix,mobileoverlord/phoenix,andrewvy/phoenix,bsmr-erlang/phoenix,omotenko/phoenix_auth,sadiqmmm/phoenix,stevedomin/phoenix,Fluxuous/phoenix,ahmetabdi/phoenix,stevedomin/phoenix,linearregression/phoenix,cas27/phoenix,wsmoak/phoenix,thegrubbsian/phoenix,iStefo/phoenix,pap/phoenix,phoenixframework/phoenix,phoenixframework/phoenix,mvidaurre/phoenix,ephe-meral/phoenix,robhurring/phoenix,Eventacular/phoenix,kyledecot/phoenix,tony612/phoenix,paulcsmith/phoenix,dmarkow/phoenix,doomspork/phoenix,VictorZeng/phoenix,Kosmas/phoenix,DavidAlphaFox/phoenix,jxs/phoenix,SmartCasual/phoenix,optikfluffel/phoenix,lancehalvorsen/phoenix,yonglehou/phoenix,iguberman/phoenix,javimolla/phoenix,milafrerichs/phoenix,ericmj/phoenix,jasond-s/phoenix,mitchellhenke/phoenix,dmarkow/phoenix,seejee/phoenix,iStefo/phoenix,manukall/phoenix,vic/phoenix,vic/phoenix,kevinold/phoenix,Rumel/phoenix,evax/phoenix,kidaa/phoenix,beni55/phoenix,Joe-noh/phoenix,maxnordlund/phoenix,xtity/simple_phoenix,begleynk/phoenix,rodrigues/phoenix,Joe-noh/phoenix,0x00evil/phoenix,doron2402/phoenix,mschae/phoenix,scrogson/phoenix,mvidaurre/phoenix,0x00evil/phoenix,mschae/phoenix,hotvulcan/phoenix,Gazler/phoenix,justnoxx/phoenix,ephe-meral/phoenix,marcioj/phoenix,lancehalvorsen/phoenix,cas27/phoenix,ACPK/phoenix,hsavit1/phoenix,yoavlt/phoenix,CD1212/phoenix,robomc/phoenix,seejee/phoenix,Ben-Evolently/phoenix,ybur-yug/phoenix,KazuCocoa/phoenix,optikfluffel/phoenix,StevenNunez/phoenix,lono-devices/phoenix,ybur-yug/phoenix,arthurcolle/phoenix