### Please describe the problem.
Running "git annex test --list-tests" seems to produce the same output as "git annex test" rather than list tests.

### What steps will reproduce the problem?
git annex test --list-tests

### What version of git-annex are you using? On what operating system?
5.20150317-g237d5b0 on Centos 6.6

5.20141125 on Mac OS X 10.10.2

### Please provide any additional information below.

[[!format sh """
# If you can, paste a complete transcript of the problem occurring here.
# If the problem is with the git-annex assistant, paste in .git/annex/daemon.log


# End of transcript or log.
"""]]