Correctly handle the absence of MINOR_VERSION when creating test repositories in the 'create_repos' helper. "if not MINOR_VERSION" in this case is equivalent to "if MINOR_VERSION is None or MINOR_VERSION == 0", which behaves incorrectly for the case when the caller actually passes MINOR_VERSION = 0. Follow-up to r1245799. * subversion/tests/cmdline/svntest/main.py (create_repos): Use "if is None" instead of "if not" when checking the MINOR_VERSION for absence. Patch by: Evgeny Kotkov