Fixed unittest to trigger more predictably.

LouisLaf · LouisLaf · commit 3c0387641d7e · 2016-02-26T18:02:31.000-08:00
diff --git a/test/Strings/neg_index.js b/test/Strings/neg_index.js
@@ -7,7 +7,7 @@
 
 var zibhbj;
 
-for (i=0; i<500; i++) {
+for (i=0; i<10000; i++) {
    zibhbj = 'u{3402e}'[-1];
 }
 if (zibhbj === undefined) 
