[test] Skip test failing without i18n support

BUG=chromium:634273,chromium:634357,v8:5162
NOTRY=true
TBR=caitp

Review-Url: https://codereview.chromium.org/2211383002
Cr-Commit-Position: refs/heads/master@{#38357}

test/mjsunit/mjsunit.status

@@ -213,6 +213,9 @@
   # desugaring regexp property class relies on ICU.
   'harmony/regexp-property-*': [PASS, ['no_i18n == True', FAIL]],
 
+  # TODO(caitp): Fail without i18n support.
+  'es7/regress/regress-634357': [PASS, ['no_i18n', SKIP]],
+
   # TODO(bmeurer): Flaky timeouts (sometimes <1s, sometimes >3m).
   'unicodelctest': [PASS, NO_VARIANTS],
   'unicodelctest-no-optimization': [PASS, NO_VARIANTS],