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

mozilla-tests/ecma_3/Number/15.7.4.6-1.js

Index: mozilla-tests/ecma_3/Number/15.7.4.6-1.js
===================================================================
--- mozilla-tests/ecma_3/Number/15.7.4.6-1.js	(revision 43940)
+++ mozilla-tests/ecma_3/Number/15.7.4.6-1.js	(working copy)
@@ -67,7 +67,22 @@
 expect = '7.7123e+1';
 captureThis();
 
+status = 'Section B of test: Infinity.toExponential() with out-of-range fractionDigits';
+actual = Number.POSITIVE_INFINITY.toExponential(-3);
+expect = 'Infinity';
+captureThis();
 
+status = 'Section C of test: -Infinity.toExponential() with out-of-range fractionDigits';
+actual = Number.NEGATIVE_INFINITY.toExponential(-3);
+expect = '-Infinity';
+captureThis();
+
+status = 'Section D of test: NaN.toExponential() with out-of-range fractionDigits';
+actual = Number.NaN.toExponential(-3);
+expect = 'NaN';
+captureThis();
+
+
 ///////////////////////////    OOPS....    ///////////////////////////////
 /*************************************************************************
  * 15.7.4.6 Number.prototype.toExponential(fractionDigits)