Fix tests by disabling feature tests unsupported by BDB.

* subversion/tests/libsvn_fs_fs/fs-fs-pack-test.c
  (recursive_locking): Disable recursive lock checks for BDB.

git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1595573 13f79535-47bb-0310-9956-ffa450edef68