[OWB-771] add unit test for making sure the InovcationTarget#getTarget is still around
during interceptors catching an Exception. Already worked on trunk after refactor
from InvocationContextImpl.



git-svn-id: https://svn.apache.org/repos/asf/openwebbeans/trunk@1446630 13f79535-47bb-0310-9956-ffa450edef68