Rebaseline JS Array tests that will start passing after v8 r24855

LayoutTests/fast/js/mozilla/strict/15.4.4.9-expected.txt

Index: LayoutTests/fast/js/mozilla/strict/15.4.4.9-expected.txt
diff --git a/LayoutTests/fast/js/mozilla/strict/15.4.4.9-expected.txt b/LayoutTests/fast/js/mozilla/strict/15.4.4.9-expected.txt
index f779a943d061d7c7728ca1ea7f16355e74782f0c..5105d76d0c8ae5c2b34803532f7d42a62fa8878e 100644
--- a/LayoutTests/fast/js/mozilla/strict/15.4.4.9-expected.txt
+++ b/LayoutTests/fast/js/mozilla/strict/15.4.4.9-expected.txt
@@ -1,11 +1,11 @@
-FAIL 'use strict'; var a = arr(); [a.shift(), a] should throw an instance of TypeError
-FAIL var a = arr(); [a.shift(), a] should throw an instance of TypeError
+PASS 'use strict'; var a = arr(); [a.shift(), a] threw exception of type TypeError.
+PASS var a = arr(); [a.shift(), a] threw exception of type TypeError.
 PASS true === true
 PASS 'use strict'; var o = obj(); [Array.prototype.shift.call(o), o] threw exception of type TypeError.
 PASS var o = obj(); [Array.prototype.shift.call(o), o] threw exception of type TypeError.
 PASS true === true
-FAIL 'use strict'; var a = agap(); [a.shift(), a] should throw an instance of TypeError
-FAIL var a = agap(); [a.shift(), a] should throw an instance of TypeError
+PASS 'use strict'; var a = agap(); [a.shift(), a] threw exception of type TypeError.
+PASS var a = agap(); [a.shift(), a] threw exception of type TypeError.
 PASS true === true
 PASS 'use strict'; var o = ogap(); [Array.prototype.shift.call(o), o] threw exception of type TypeError.
 PASS var o = ogap(); [Array.prototype.shift.call(o), o] threw exception of type TypeError.