Upgrade test suite to be compatible with Python 2.2.1. * swig/python/tests/trac/versioncontrol/svn_fs.py (False, True): Add constants. (_strip_path): Add helper function. (SubversionRepository): Use _strip_path instead of "".strip. git-svn-id: https://svn.apache.org/repos/asf/subversion/branches/python-bindings-improvements@856026 13f79535-47bb-0310-9956-ffa450edef68