Added test for ecall_and_wait
Added test for ecall_and_wait

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