Move kernel baseline tests to front_end.

pkg/front_end/testcases/rasta/switch_execution_case_t02.dart.dartk.expect

 library;
 import self as self;
 import "dart:core" as core;
 
 static method test(dynamic value) → dynamic {
   dynamic result;
   #L1:
   switch(value) {
     #L2:
     case 1:
@@ skipping 39 matching lines @@
       }
     #L9:
     case 5:
     case 6:
     default:
       {}
   }
   return result;
 }
 static method main() → dynamic {}