Avoid spurious test failures in parallel mode caused by changing the UUID of a repository that should be read-only.
Avoid spurious test failures in parallel mode caused by changing the UUID
of a repository that should be read-only.

* subversion/tests/cmdline/upgrade_tests.py
  (upgrade_missing_replaced, upgrade_not_present_replaced): Don't ask
   for a read-only repository, don't bother creating a wc.

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