add test for behaviour described in #1297
add test for behaviour described in #1297

squaredup/ractive,dyx/ractive,Rich-Harris/ractive,ndimas/ractive,ractivejs/ractive,squaredup/ractive,dyx/ractive,ndimas/ractive,aliprogrammer69/ractive,cgvarela/ractive,p0lax/ractive,JonDum/ractive,Rich-Harris/ractive,squaredup/ractive,thomsbg/ractive,magicdawn/ractive,pingjiang/ractive,pingjiang/ractive,Rich-Harris/ractive,marcalexiei/ractive,marcalexiei/ractive,aliprogrammer69/ractive,marcalexiei/ractive,heavyk/ractive,thomsbg/ractive,ISNIT0/ractive,thomsbg/ractive,JonDum/ractive,cgvarela/ractive,ISNIT0/ractive,ractivejs/ractive,cgvarela/ractive,heavyk/ractive,JonDum/ractive,ISNIT0/ractive,heavyk/ractive,magicdawn/ractive,ndimas/ractive,aliprogrammer69/ractive,ractivejs/ractive,pingjiang/ractive,p0lax/ractive,dyx/ractive,magicdawn/ractive