[test] Skip test262-es6 tests failing on mac.

test/test262/test262.status

Index: test/test262/test262.status
diff --git a/test/test262/test262.status b/test/test262/test262.status
index 0a8f4e87983d9a85958d7a1811e2fd783edb0495..8dde7cea4ec2cc7da6920fd94d7da1f196c2608e 100644
--- a/test/test262/test262.status
+++ b/test/test262/test262.status
@@ -728,6 +728,14 @@
 ['system == macos', {
   'intl402/11.3.2_TRP': [FAIL],
   'intl402/9.2.5_11_g_ii_2': [FAIL],
+
+  # BUG(v8:4254).
+  'test262/intl402/Collator/10.1.1_19_c': [SKIP],

[Jakob Kummerow, 2015/09/25 13:42:06]

s/test262\/// !

+  'test262/intl402/Collator/9.2.5_11_g_ii_2': [SKIP],
+  'test262/intl402/NumberFormat/11.1.1_17': [SKIP],
+  'test262/intl402/NumberFormat/11.1.1_19': [SKIP],
+  'test262/intl402/NumberFormat/prototype/format/11.3.2_TRF': [SKIP],
+  'test262/intl402/NumberFormat/prototype/format/11.3.2_TRP': [SKIP],
 }],  # system == macos
 
 ['arch == arm or arch == mipsel or arch == mips or arch == arm64 or arch == mips64el', {