[TxMt] cannot run rails tests

[jeff emminger]

I'm trying to run rails tests using the RVM gemset instructions here:

    http://beginrescueend.com/integration/textmate/

When I run a unit test I get the error:

    git://github.com/sferik/rails_admin.git (at master) is not
checked out. Please run `bundle install`

Running "bundle install" results in nothing, as that gem has already
been installed.