[test262] Temporarily disable Date tests that fail depending on the timezone.

test/test262/test262.status

Index: test/test262/test262.status
diff --git a/test/test262/test262.status b/test/test262/test262.status
index 1d81b7c77ad72ed3ac7a4f41d2e4d7e8561c3e6e..5197bb5d2f30800793173eaf7093108ed6662386 100644
--- a/test/test262/test262.status
+++ b/test/test262/test262.status
@@ -35,6 +35,11 @@
   # https://code.google.com/p/v8/issues/detail?id=705
   'language/statements/for-in/12.6.4-2': [PASS, FAIL_OK],
 
+  # Date tests that fail in CE(S)T timezone.
+  # https://bugs.chromium.org/p/v8/issues/detail?id=5449
+  'built-ins/Date/prototype/setFullYear/new-value-time-clip': [PASS, FAIL],
+  'built-ins/Date/prototype/setMonth/new-value-time-clip': [PASS, FAIL],
+
   ###################### MISSING ES6 FEATURES #######################
 
   # The order of adding the name property is wrong