Failing test for running take_over twice.
Failing test for running take_over twice.

When user manages to run take_over twice with the same arguments,
tak_over creates an orphan.

mccolgst/www.gittip.com,eXcomm/gratipay.com,mccolgst/www.gittip.com,eXcomm/gratipay.com,gratipay/gratipay.com,gratipay/gratipay.com,studio666/gratipay.com,mccolgst/www.gittip.com,gratipay/gratipay.com,studio666/gratipay.com,eXcomm/gratipay.com,gratipay/gratipay.com,studio666/gratipay.com,mccolgst/www.gittip.com,eXcomm/gratipay.com,studio666/gratipay.com