Skip test262 tests failing on Mac

BUG=none
TBR=machenbach@chromium.org
LOG=n

Review URL: https://codereview.chromium.org/411533002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22524 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

test/test262/test262.status

@@ -101,6 +101,11 @@
   '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