Add a test for the 'env -' case
Add a test for the 'env -' case

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