[PATCH] Small fixes to TestCaseWithMemoryTransport

[Vincent Ladeuil]

>>>>> "aaron" == Aaron Bentley <aaron.bentley at utoronto.ca> writes:

    aaron> Aaron Bentley has voted +1.
    aaron> Status is now: Conditionally approved
    aaron> Comment:
    aaron> Looks reasonable.  I guess there's some deprecation risk, but I
    aaron> can't imagine  there are a lot of clients outside bzr.

See my comments in the amended patch, I think that if someone
was using the failIfExists and failUnlessExists methods, they
were indeed testing the wrong thing.

     Vincent