Update the mozilla tests to new version (as of 2010-06-29).

mozilla-tests/ecma_3/Date/15.9.4.3.js

Index: mozilla-tests/ecma_3/Date/15.9.4.3.js
===================================================================
--- mozilla-tests/ecma_3/Date/15.9.4.3.js	(revision 43940)
+++ mozilla-tests/ecma_3/Date/15.9.4.3.js	(working copy)
@@ -187,24 +187,24 @@
 
   //
 
-  expect = 31;
-  actual = (new Date(Date.UTC(2006, 0, -Infinity)).getUTCDate());
+  expect = true;
+  actual = isNaN(new Date(Date.UTC(2006, 0, -Infinity)).getUTCDate());
   reportCompare(expect, actual, summary + ': date -Infinity');
 
-  expect = 0;
-  actual = (new Date(Date.UTC(2006, 0, 0, -Infinity)).getUTCHours());
+  expect = true;
+  actual = isNaN(new Date(Date.UTC(2006, 0, 0, -Infinity)).getUTCHours());
   reportCompare(expect, actual, summary + ': hours -Infinity');
 
-  expect = 0;
-  actual = (new Date(Date.UTC(2006, 0, 0, 0, -Infinity)).getUTCMinutes());
+  expect = true;
+  actual = isNaN(new Date(Date.UTC(2006, 0, 0, 0, -Infinity)).getUTCMinutes());
   reportCompare(expect, actual, summary + ': minutes -Infinity');
 
-  expect = 0;
-  actual = (new Date(Date.UTC(2006, 0, 0, 0, 0, -Infinity)).getUTCSeconds());
+  expect = true;
+  actual = isNaN(new Date(Date.UTC(2006, 0, 0, 0, 0, -Infinity)).getUTCSeconds());
   reportCompare(expect, actual, summary + ': seconds -Infinity');
 
-  expect = 0;
-  actual = (new Date(Date.UTC(2006, 0, 0, 0, 0, 0, -Infinity)).getUTCMilliseconds());
+  expect = true;
+  actual = isNaN(new Date(Date.UTC(2006, 0, 0, 0, 0, 0, -Infinity)).getUTCMilliseconds());
   reportCompare(expect, actual, summary + ': milliseconds -Infinity');
 
   //