A recent ES2015 semantics web compatibility fix changed a WebKit
test from a syntax error to a known failure without a syntax
error. This confused the fuzzer infrastructure. This patch updates
the test expectations to the expected output, based on what the
new semantics provide.

R=machenbach,adamk
BUG=v8:4693
LOG=N

Review URL: https://codereview.chromium.org/1628013003

Cr-Commit-Position: refs/heads/master@{#33484}