Mark some test262 cases as known failures after r24495.

test/test262/test262.status

 # Copyright 2011 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
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 #     * Redistributions in binary form must reproduce the above
 #       copyright notice, this list of conditions and the following
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@@ skipping 71 matching lines @@
   # on 2000. Test262 Bug: https://bugs.ecmascript.org/show_bug.cgi?id=293
   'S15.9.3.1_A5_T1': [PASS, FAIL_OK],
   'S15.9.3.1_A5_T2': [PASS, FAIL_OK],
   'S15.9.3.1_A5_T3': [PASS, FAIL_OK],
   'S15.9.3.1_A5_T4': [PASS, FAIL_OK],
   'S15.9.3.1_A5_T5': [PASS, FAIL_OK],
   'S15.9.3.1_A5_T6': [PASS, FAIL_OK],
 
   # ObjectKeys() no longer throws TypeError when passed a primitive value which
   # is not null or undefined (per ES6).
-  '15.2.3.14-1-1': [SKIP],
-  '15.2.3.14-1-2': [SKIP],
-  '15.2.3.14-1-3': [SKIP],
+  '15.2.3.14-1-1': [FAIL_OK],
+  '15.2.3.14-1-2': [FAIL_OK],
+  '15.2.3.14-1-3': [FAIL_OK],
 
   ############################ SKIPPED TESTS #############################
 
   # These tests take a looong time to run in debug mode.
   'S15.1.3.1_A2.5_T1': [PASS, ['mode == debug', SKIP]],
   'S15.1.3.2_A2.5_T1': [PASS, ['mode == debug', SKIP]],
 }],  # ALWAYS
 
 ['system == macos', {
   '11.3.2_TRP': [FAIL],
   '9.2.5_11_g_ii_2': [FAIL],
 }],  # system == macos
 
 ['arch == arm or arch == mipsel or arch == mips or arch == arm64 or arch == mips64el', {
 
   # TODO(mstarzinger): Causes stack overflow on simulators due to eager
   # compilation of parenthesized function literals. Needs investigation.
   'S13.2.1_A1_T1': [SKIP],
 
   # BUG(3251225): Tests that timeout with --nocrankshaft.
   'S15.1.3.1_A2.4_T1': [SKIP],
   'S15.1.3.1_A2.5_T1': [SKIP],
   'S15.1.3.2_A2.4_T1': [SKIP],
   'S15.1.3.2_A2.5_T1': [SKIP],
   'S15.1.3.3_A2.3_T1': [SKIP],
   'S15.1.3.4_A2.3_T1': [SKIP],
 }],  # 'arch == arm or arch == mipsel or arch == mips or arch == arm64'
 ]