Add regression test for issue #3940, by performing a few replacements inside a 1.6 working copy to replicate the scenario.
Add regression test for issue #3940, by performing a few replacements inside
a 1.6 working copy to replicate the scenario.

* subversion/tests/cmdline/upgrade_tests.py
  (simple_entries_replace): New function based on xml_entries_relocate.
  (upgrade_with_missing_subdir): New test. Currently XFails as it triggers a
    malfunction in subversion/libsvn_wc/update_editor.c
  (test_list): Add upgrade_with_missing_subdir.

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