[test] Skip webkit tests with isolates.

BUG=v8:4499
LOG=n
NOTRY=true
NOTREECHECKS=true
TBR=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/1411203003

Cr-Commit-Position: refs/heads/master@{#31367}

test/webkit/webkit.status

@@ -75,16 +75,7 @@
 ##############################################################################
 ['isolates', {
   # BUG(v8:4499).
-  'array-filter': [SKIP],
-  'break-ASI': [SKIP],
-  'class-syntax-expression': [SKIP],
-  'fast/js/date-negative-setmonth': [SKIP],
-  'function-dot-length-read-only': [SKIP],
-  'function-prototype-descriptor': [SKIP],
-  'fast/js/kde/object_prototype': [SKIP],
-  'regexp-zero-length-alternatives': [SKIP],
-  'resolve-arguments-from-scope': [SKIP],
-  'sort-large-array': [SKIP],
+  '*': [SKIP],
 }],  # 'isolates'
 
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