The test was out-dated. The wasm bytes still had the version 0xd, and
no END instruction at the end of the function. In addition, the test
used asynchronous compilation but did not wait for the promise to
resolve.

R=clemensh@chromium.org

Change-Id: Ib01f47ac8f668401ed14470af7100e990e5bbd94
Reviewed-on: https://chromium-review.googlesource.com/463286Reviewed-by: Clemens Hammacher <clemensh@chromium.org>
Commit-Queue: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/master@{#44276}