svnrdump: Mark tests that fail conditionally on ra_dav as WIP for the buildbot.
svnrdump: Mark tests that fail conditionally on ra_dav as WIP
for the buildbot.

* subversion/tests/cmdline/svnrdump_tests.py
  (test_list): dir_prop_change_load, url_encoding_dump,
  move_and_modify_in_the_same_revision_load pass on ra_local but FAIL
  on ra_dav. copy_revprops_load XPASS'ed on ra_dav. Fix these problems
  appropriately to reflect the current status accurately.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion