Fix "cachepassivation" Unit Test

Failing with:

org.jboss.ejb3.common.registrar.spi.NotBoundException: Could not retrieve Ejb3Registrar as a registrar implementation has not yet been bound.
at org.jboss.ejb3.common.registrar.spi.Ejb3RegistrarLocator.locateRegistrar(Ejb3RegistrarLocator.java:86)
at org.jboss.ejb3.session.SessionSpecContainer.getJndiRegistrar(SessionSpecContainer.java:126)
at org.jboss.ejb3.session.SessionSpecContainer.start(SessionSpecContainer.java:365)
at org.jboss.ejb3.stateful.StatefulContainer.start(StatefulContainer.java:288)
at org.jboss.ejb3.test.cachepassivation.unit.CachePassivationUnitTestCase.test1(CachePassivationUnitTestCase.java:91)