Try to fix s390x build bot.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198577 91177308-0d34-0410-b5e6-96231b3b80d8
Remove a failing test to get the buildbots back to green.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198578 91177308-0d34-0410-b5e6-96231b3b80d8