* subversion/tests/cmdline/svntest/sandbox.py   (Sandbox.simple_update): Drop 'is not read_only' assertion; upcoming patch has a use case     for updating without doing a commit first.
* subversion/tests/cmdline/svntest/sandbox.py
  (Sandbox.simple_update): Drop 'is not read_only' assertion; upcoming patch has a use case
    for updating without doing a commit first.

git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1074488 13f79535-47bb-0310-9956-ffa450edef68

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