Converted test_config from doctests to unit tests
Converted test_config from doctests to unit tests

git-svn-id: e6d44ec3d56a4b51a9cad284a9139aeaee5a4315@92 3447e8dd-9f38-0410-a211-e3037a7e05e3

arnaudsj/pebl,arnaudsj/pebl,arnaudsj/pebl