Skip a test if it requires config but none is found
Skip a test if it requires config but none is found

If a user removes a section from their config, presume that they do not
want to run it.

Closes-bug: 1481922
Change-Id: I5f8f4608dd337ac16d1bf822a8a98388c927677a

stackforge/bandit,chair6/bandit,pombredanne/bandit,pombredanne/bandit,stackforge/bandit