added missing tests file

Added forgotten `jepsen.tests` namespace from previous PR... Going too fast...
I used them in testing barge, mostly as a scaffolding for writing the
complete test. Of course, they could be removed form tests ns.
Le 24 juil. 2014 23:03, "Kyle Kingsbury" <notifications@github.com> a
écrit :

> In src/jepsen/tests.clj:
>
> > +   :os        os/noop
> > +   :db        db/noop
> > +   :client    client/noop
> > +   :nemesis   client/noop
> > +   :generator gen/void
> > +   :model     model/noop
> > +   :checker   checker/linearizable})
> > +
> > +(defn atom-db
> > +  "Wraps an atom as a database."
> > +  [state]
> > +  (reify db/DB
> > +    (setup!    [db test node] (reset! state 0))
> > +    (teardown! [db test node] (reset! state :done))))
> > +
> > +(defn atom-client
>
> What other test would use atom-db and atom-client?
>
> —
> Reply to this email directly or view it on GitHub
> <https://github.com/aphyr/jepsen/pull/40/files#r15372752>.
>