Another tiny robustness improvement and simplification in the test suite.
Another tiny robustness improvement and simplification in the test suite.

* subversion/tests/cmdline/svntest/actions.py
  (run_and_verify_load): Simplify. Avoid redundant checking of stderr, which
    is already done by run_command_stdin.
  (run_and_verify_dump): Simplify and make more robust (the exit code is now
    checked), using run_and_verify_svnadmin.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1657904 13f79535-47bb-0310-9956-ffa450edef68

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