fix ci

Author: bobzhang

jscomp/test/format_test.ml

@@ -73,14 +73,15 @@ let f loc ls  =
   List.iter  (fun (a,b) -> 
   eq loc (float_of_string a) b ) ls
 
+#if OCAML_VERSION=~ ">4.03.0" then
 let () = 
     f __LOC__ [
       "0x3.fp+1",  0x3.fp+1 ;
       " 0x3.fp2", 0x3.fp2;
       " 0x4.fp2", 0x4.fp2
       ];
 
-     
+#end     
 ;;
 
 #if