Changes to testsuite

Changes to testsuite:
commit 69f60722eabcce8283a4270b8d3aff712c8d462a
Author: Austin Seipp <austin@well-typed.com>
Date:   Wed Dec 4 22:33:19 2013 -0600

    Add new ghc-e/should_fail test suite

    Also add a basic test for #7962.

    Signed-off-by: Austin Seipp <austin@well-typed.com>