Skip shared generics test in multifile test runs (#2647)
Skip shared generics test in multifile test runs (#2647)

I know it's not very systematic, but will go away when we enable shared
generics by default.
botaberg/corert,tijoytom/corert,sandreenko/corert,tijoytom/corert,krytarowski/corert,krytarowski/corert,sandreenko/corert,botaberg/corert,tijoytom/corert,tijoytom/corert,krytarowski/corert,botaberg/corert,gregkalapos/corert,botaberg/corert,sandreenko/corert,shrah/corert,shrah/corert,yizhang82/corert,yizhang82/corert,yizhang82/corert,sandreenko/corert,gregkalapos/corert,gregkalapos/corert,krytarowski/corert,yizhang82/corert,shrah/corert,gregkalapos/corert,shrah/corert