8.9 The Coordinator crash test bean
This bean helps to perform crash tests. It is useful to test out the behaviour in case of crash.
Instead of attributes this bean has operations - currently one - which can be activated by clicking on the button with the
operation name on it. After the operation completes a confirmation message is shown.
Crashes the coordinator. After the crash if there is a backup coordinator it will becomes primary and continues the processing
of the incoming transacitons.