Follow-up to r1201419: simplify the test.
Follow-up to r1201419: simplify the test.

* subversion/tests/cmdline/commit_tests.py
  (commit_add_subadd): Don't commit a deletion and reverse-merge it;
    just commit an addition.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1201420 13f79535-47bb-0310-9956-ffa450edef68

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