Follow-up to r1679169: Further extend the unit test.
Follow-up to r1679169: Further extend the unit test.

* subversion/tests/libsvn_fs/fs-test.c
  (noop_freeze_func): Transform into..
  (freeze_func): .. this.
  (freeze_and_commit): Incorporate a failed freeze into the test scenario.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1679909 13f79535-47bb-0310-9956-ffa450edef68

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