By moving only the rejections that actually still apply into each test and out
of the shared head file, we are much more likely to notice new instances and
catch them when writing and editing tests in the future.

Bug 1018184 can be used to actually resolve these issues.

MozReview-Commit-ID: Qb71PsuutB

--HG--
extra : rebase_source : 7056bbf9fcd76ffe00015119d811db0bd788aa59