Fix a diagnostics output escaping issue in the test suite by using a bit more standard code and less test suite specific code.
Fix a diagnostics output escaping issue in the test suite by using a bit more
standard code and less test suite specific code.

* subversion/tests/cmdline/svntest/tree.py
  (print_script): Just let Python format property dictionaries.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1705709 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion