Fix the @Wimp python decorator.
Fix the @Wimp python decorator.

* subversion/tests/cmdline/svntest/testcase.py
  (_Wimp): Improve docstring.
  (Wimp_deco): Accept arguments to be used to construct the testcase.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1126652 13f79535-47bb-0310-9956-ffa450edef68

wbond/subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion