https://bugs.eclipse.org/bugs/show_bug.cgi?id=422070
Implements a two way acknowledge mechanism.
Bug 431774: AbstractTestWithGuiScript needs to have a timeout

https://bugs.eclipse.org/bugs/show_bug.cgi?id=431774

Introduce a timeout, after which a test fails
bug 420626: https://bugs.eclipse.org/bugs/show_bug.cgi?id=420626

unique fieldid
bug 420626: https://bugs.eclipse.org/bugs/show_bug.cgi?id=420626

unique fieldid
Bug 422070 - ClientNotifications are not sent to client, if an exception occurs (edit)