Skipped tests

[Matthieu Moy]

Hi,

I realie that there are many cases where all the tests can not be ran
(ftp tests which require medusa, sftp tests requiring paramiko, ...).

Currently, those tests are skipped with a warning, but it would be
nice to have an option to consider those tests as failed. In
particular, this option should be used on the pqm to ensure it
actually tests everything.

'could be nice also to have it in the summary at the end, like:

FAILED (failures=42, skipped=56)

-- 
Matthieu