Skip two tests that hang the FreeBSD buildbot

llvm.org/pr16684


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@189679 91177308-0d34-0410-b5e6-96231b3b80d8
Attach by name tests now pass on FreeBSD

A FreeBSD implementation of Host::FindProcesses was added in r189295.
Contrary to my earlier report of failing tests it seems all attach by
name tests now pass.

http://www.llvm.org/pr16699


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@189680 91177308-0d34-0410-b5e6-96231b3b80d8