Add SIMD get_Item lower bounds test
Add SIMD get_Item lower bounds test

ruben-ayrapetyan/coreclr,JosephTremoulet/coreclr,ruben-ayrapetyan/coreclr,wtgodbe/coreclr,yizhang82/coreclr,wtgodbe/coreclr,poizan42/coreclr,ruben-ayrapetyan/coreclr,mmitche/coreclr,poizan42/coreclr,krk/coreclr,poizan42/coreclr,ruben-ayrapetyan/coreclr,wtgodbe/coreclr,yizhang82/coreclr,JosephTremoulet/coreclr,JosephTremoulet/coreclr,krk/coreclr,mmitche/coreclr,wtgodbe/coreclr,JosephTremoulet/coreclr,yizhang82/coreclr,poizan42/coreclr,yizhang82/coreclr,krk/coreclr,JosephTremoulet/coreclr,poizan42/coreclr,wtgodbe/coreclr,mmitche/coreclr,mmitche/coreclr,krk/coreclr,cshung/coreclr,ruben-ayrapetyan/coreclr,mmitche/coreclr,poizan42/coreclr,mmitche/coreclr,wtgodbe/coreclr,cshung/coreclr,krk/coreclr,JosephTremoulet/coreclr,krk/coreclr,ruben-ayrapetyan/coreclr,cshung/coreclr,cshung/coreclr,cshung/coreclr,yizhang82/coreclr,cshung/coreclr,yizhang82/coreclr