Add tests for -max-lines, -hide-unit, and -show-dtype
Add tests for -max-lines, -hide-unit, and -show-dtype

dhomeier/astropy,MSeifert04/astropy,larrybradley/astropy,pllim/astropy,aleksandr-bakanov/astropy,stargaser/astropy,bsipocz/astropy,funbaker/astropy,aleksandr-bakanov/astropy,stargaser/astropy,dhomeier/astropy,pllim/astropy,StuartLittlefair/astropy,saimn/astropy,astropy/astropy,saimn/astropy,saimn/astropy,funbaker/astropy,saimn/astropy,astropy/astropy,mhvk/astropy,funbaker/astropy,StuartLittlefair/astropy,aleksandr-bakanov/astropy,pllim/astropy,MSeifert04/astropy,funbaker/astropy,pllim/astropy,lpsinger/astropy,larrybradley/astropy,astropy/astropy,larrybradley/astropy,DougBurke/astropy,saimn/astropy,bsipocz/astropy,larrybradley/astropy,mhvk/astropy,StuartLittlefair/astropy,astropy/astropy,MSeifert04/astropy,StuartLittlefair/astropy,lpsinger/astropy,DougBurke/astropy,stargaser/astropy,aleksandr-bakanov/astropy,DougBurke/astropy,bsipocz/astropy,stargaser/astropy,dhomeier/astropy,mhvk/astropy,bsipocz/astropy,DougBurke/astropy,StuartLittlefair/astropy,dhomeier/astropy,larrybradley/astropy,mhvk/astropy,dhomeier/astropy,astropy/astropy,lpsinger/astropy,mhvk/astropy,lpsinger/astropy,MSeifert04/astropy,lpsinger/astropy,pllim/astropy