Change mjsunit tests to work with and without the i18n extension

test/mjsunit/date.js

Index: test/mjsunit/date.js
diff --git a/test/mjsunit/date.js b/test/mjsunit/date.js
index 5aaa3bb94e2dc76fea950223fb6f118ebd86eeb4..a1b7871d60bf06531dcf91438f1c766ff8df81c2 100644
--- a/test/mjsunit/date.js
+++ b/test/mjsunit/date.js
@@ -150,7 +150,7 @@ assertTrue(isNaN(l.getUTCMilliseconds()));
 // date without the timezone information.
 function testToLocaleTimeString() {
   var d = new Date();
-  var s = d.toLocaleTimeString();
+  var s = d.toLocaleTimeString("en-GB");
   assertEquals(8, s.length);
 }
 
@@ -340,4 +340,4 @@ date.getYear();
 %OptimizeFunctionOnNextCall(Date.prototype.getYear);
 assertThrows(function() { Date.prototype.getYear.call(""); }, TypeError);
 opt_status = %GetOptimizationStatus(Date.prototype.getYear);
-assertTrue(%GetOptimizationStatus(Date.prototype.getTime) != 1);
+assertTrue(%GetOptimizationStatus(Date.prototype.getTime) != 1);