Auto merge of #4654 - rwakulszowa:inferred_test_cleanup, r=matklad
authorbors <bors@rust-lang.org>
Wed, 25 Oct 2017 05:29:49 +0000 (05:29 +0000)
committerbors <bors@rust-lang.org>
Wed, 25 Oct 2017 05:29:49 +0000 (05:29 +0000)
Clean up inferred* tests

Deduplicate, simplify and rename interred_* tests.
Follow up to #4496
@matklad


Trivial merge