On the 'pristines-on-demand-on-mwf' branch: Convert the externals_tests.py#52 into a Wimp(), because the test may run into issue with `svn upgrade` that currently exists in trunk. See r1905752 and upgrade_tests.py:upgrade_latest_format() for more details. * subversion/tests/cmdline/externals_tests.py (switch_relative_externals): Add a Wimp() marker.