Fix missing expect in PE file parser unittests. R=chrisha@chromium.org BUG=
Fix missing expect in PE file parser unittests.
R=chrisha@chromium.org
BUG=

Review URL: https://codereview.appspot.com/9101046

git-svn-id: db59699583a60be9a535cd09cdc9132301867226@1502 15e8cca8-e42c-11de-a347-f34a4f72eb7d

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