System.setProperty(ClassicConstants.LOGBACK_CONTEXT_SELECTOR, "JNDI");
contextDetachingSCL = new ContextDetachingSCL();
MockInitialContextFactory.initialize();
MockInitialContext mic = MockInitialContextFactory.getContext();
mic.map.put(ClassicConstants.JNDI_CONTEXT_NAME, "toto");
//The property must be set after we setup the Mock
System.setProperty(INITIAL_CONTEXT_KEY, MockInitialContextFactory.class.getName());