I changed the logging test to just test that logging doesn't crash and does produce output.  That's 
about all it is useful to test.


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@204284 91177308-0d34-0410-b5e6-96231b3b80d8
expectedFailureDarwin for this test case.


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@204287 91177308-0d34-0410-b5e6-96231b3b80d8