darcs patch: add negative-prim-literal tests (and 2 more)

[Simon Marlow]

Isaac Dupree wrote:
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> Neil Mitchell wrote:
>> Hi
>>
>>> Okay, what is the meaning of this error I'm getting repeatedly, trying
>>> to push the testsuite patches:
>>>
>>> Waiting for lock /srv/darcs/testsuite/_darcs/lock
>>> Waiting for lock /srv/darcs/testsuite/_darcs/lock
>> Usually means you ran a darcs push and aborted before the end. If you
>> aren't running darcs at the moment, then just rm _darcs/lock.
> 
> I don't think I did that (though there was a bit of a wait before I
> answered yes/no on which patches I wanted to push)...  I guess maybe
> someone else did, but what if there's a reason for the lock still to be
> there (non-local repos are trickier...)

There were a couple of spinning darcs processes on darcs.haskell.org (owned by 
nx), one of which was trying to push to the testsuite.  I've killed them now, so 
you should be good to go.

Cheers,
	Simon