test: 修改示例代码

playground/BugFarm/Bug1/Main.snow

@@ -2,7 +2,7 @@ module: Main
     function: main
         return_type: void
         body:
-            declare abc:string ="0"
+            declare abc:int =1
         end body
     end function
 end module

playground/Demo/Demo14/Main.snow

@@ -4,8 +4,7 @@ module: Main
     function: main
         return_type: void
         body:
-      BuiltinUtils.print(1)
-      BuiltinUtils.println(2)
+            syscall("PRINT",1)
         end body
     end function
 end module