[dt-test] automated tests failed

[DITrack Testbot]

=== trunk, r1945 by vss: PASS

=== trunk, r1946 by vss: FAIL (1 tests failed)
 * test failed: cmd-update.tc (tail of the error log follows)
    DTTEST: executing 'diff -u update.1.err.expected update.err'
    DTTEST: executing 'mv /X/testbox/ditrack/trunk.r1946/tests/cmd-update.tc/work/db /X/testbox/ditrack/trunk.r1946/tests/cmd-update.tc/work/db.old'
    DTTEST: executing 'svn co -q -r 2 file:///X/testbox/ditrack/trunk.r1946/tests/cmd-update.tc/work/repo/issues /X/testbox/ditrack/trunk.r1946/tests/cmd-update.tc/work/db'
    DTTEST: executing 'mv /X/testbox/ditrack/trunk.r1946/tests/cmd-update.tc/work/db.old/.ditrack /X/testbox/ditrack/trunk.r1946/tests/cmd-update.tc/work/db'
    DTTEST: executing 'rm -rf /X/testbox/ditrack/trunk.r1946/tests/cmd-update.tc/work/db.old'
    DTTEST: executing 'mv /X/testbox/ditrack/trunk.r1946/tests/cmd-update.tc/work/db /X/testbox/ditrack/trunk.r1946/tests/cmd-update.tc/work/db.old'
    DTTEST: executing 'svn co -q -r 2 file:///X/testbox/ditrack/trunk.r1946/tests/cmd-update.tc/work/repo/issues /X/testbox/ditrack/trunk.r1946/tests/cmd-update.tc/work/db'
    DTTEST: executing 'mv /X/testbox/ditrack/trunk.r1946/tests/cmd-update.tc/work/db.old/.ditrack /X/testbox/ditrack/trunk.r1946/tests/cmd-update.tc/work/db'
    DTTEST: executing 'rm -rf /X/testbox/ditrack/trunk.r1946/tests/cmd-update.tc/work/db.old'
    DTTEST: executing 'mv /X/testbox/ditrack/trunk.r1946/tests/cmd-update.tc/work/db /X/testbox/ditrack/trunk.r1946/tests/cmd-update.tc/work/db.old'
    DTTEST: executing 'svn co -q -r 2 file:///X/testbox/ditrack/trunk.r1946/tests/cmd-update.tc/work/repo/issues /X/testbox/ditrack/trunk.r1946/tests/cmd-update.tc/work/db'
    DTTEST: executing 'rm -rf /X/testbox/ditrack/trunk.r1946/tests/cmd-update.tc/work/db.old'
    Traceback (most recent call last):
      File "./test.py", line 73, in ?
        tc.dt(["update"])
      File "/X/testbox/ditrack/trunk.r1946/tests/dttest/dttest.py", line 317, in dt
        assert os.WEXITSTATUS(status) == expected_status, \
    AssertionError: 
    
    Command: dt -d /X/testbox/ditrack/trunk.r1946/tests/cmd-update.tc/work/db update
    Expected status: 0
    Actual status: 1
    Stdout captured in: update.out
    Stderr captured in: update.err
    
    Tail of stderr follows:
    
    svn: Unable to lock '/X/testbox/ditrack/trunk.r1946/tests/cmd-update.tc/work/db/data'
    Database update failed: 'svn update' didn't succeed