cat: fix tests
cat: fix tests

beni55/coreutils,filmor/coreutils,beni55/coreutils,Shir0kamii/coreutils,samfoo/coreutils,keunwoo/coreutils,bundai223/coreutils,Heather/coreutils,wimh/coreutils,polapl/coreutils,silvio/rust-coreutils,kball/coreutils,silvio/rust-coreutils,retep998/coreutils,Shir0kamii/coreutils,sshling/coreutils,dokaptur/coreutils,kevgeniy/coreutils,dbrgn/coreutils,kwantam/coreutils,uutils/coreutils,dbrgn/coreutils,Gianbaoluo/coreutils,wimh/coreutils,jbcrail/coreutils,kwantam/coreutils,samfoo/coreutils,uutils/coreutils,steveklabnik/coreutils,Arcterus/coreutils,hexsel/coreutils,tempbottle/coreutils,mauricio/coreutils,Arcterus/coreutils,retep998/coreutils,hexsel/coreutils,ebfe/coreutils,efuquen/coreutils,filmor/coreutils,bundai223/coreutils,steveklabnik/coreutils,sshling/coreutils,dbrgn/coreutils,keunwoo/coreutils,Shtong/coreutils,ebfe/coreutils,dennis/coreutils,kball/coreutils,polapl/coreutils,mauricio/coreutils,jbcrail/coreutils,Gianbaoluo/coreutils,tempbottle/coreutils,efuquen/coreutils,kevgeniy/coreutils,Shtong/coreutils,uutils/coreutils,Heather/coreutils,dennis/coreutils