added additional assertion with single argument to reduce1 and scan1
added additional assertion with single argument to reduce1 and scan1

kwangkim/highland,jgrund/highland,kjvalencik/highland,kjvalencik/highland,Andolamin/highland,vqvu/highland,megawac/highland,icio/highland,surgeforward/highland,Andolamin/highland,dayoadeyemi/highland,caolan/highland,Whoaa512/highland,quarterto/highland,surgeforward/highland,svozza/highland,dayoadeyemi/highland,megawac/highland,jgrund/highland,kwangkim/highland,icio/highland,svozza/highland,caolan/highland,Whoaa512/highland,vqvu/highland