[lit] Update LitTestCase to support lit.Test.Result.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189544 91177308-0d34-0410-b5e6-96231b3b80d8
[lit] Update shtest format to return lit.Test.Result objects.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189545 91177308-0d34-0410-b5e6-96231b3b80d8
[lit] Add a TODO.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189546 91177308-0d34-0410-b5e6-96231b3b80d8
Fix a test to not fail for users with my name. :)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189547 91177308-0d34-0410-b5e6-96231b3b80d8