Make the build such that the test bundle 'customizer-bundle' is depending on the o.e.g.web.tomcat latest build and not on a fixed one.
Additional dependencies are added so that the tests can be executed in the IDE.
1. Guarantee that the application will be stopped always (finally block). 2. Guarantee that the cache is expired before checking for existence. 3. Return the original default web.xml after testing with a custom one.