A follow-up to r25357, fixing a syntax error.
A follow-up to r25357, fixing a syntax error.

* subversion/tests/cmdline/svntest/testcase.py
  (Skip.__init__): Fully qualify svntest.Failure.

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