How to unuse DRb port?

[Joe Van Dyk]

Hi,

I'm writing unit tests for a class exposed via DRb. Each test creates
a new object that starts a DRb server. The same port is used for
every DRb server.

However, when I start a new port and create a new object, it complains
about the port already being in use.

How can I avoid that?

Thanks,
Joe