test_ceph_argparse.py: No assert_not_in and assert_in in nose.tools
  Signed-off-by: huangjun  <hjwsm1989@gmail.com>
Merge pull request #756 from hjwsm1989/master

  test_ceph_argparse.py: No assert_not_in and assert_in in nose.tools

Reviewed-by: Loic Dachary <loic@dachary.org>