* subversion/tests/cmdline/svntest/sandbox.py
  Don't create a temp directory for every test directly, but wait till
  somebody asks for the tempdir. This should remove +- 50% of the
  directories in svn-test-work when not running with cleanup.


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1446417 13f79535-47bb-0310-9956-ffa450edef68