Tests: Fixups for the distutils test runner
Tests: Fixups for the distutils test runner

* Need to be able to both execute "runner" and "runner.exe" which
  occurs for CPython too.

* Was not really doing the output of Nuitka when it said so.

* More fixups

kayhayen/Nuitka,kayhayen/Nuitka,kayhayen/Nuitka,kayhayen/Nuitka