registry.create(container2, serviceLoader);
registry.create(container3, serviceLoader);
registry.create(container4, serviceLoader);
registry.create(container5, serviceLoader);
fire(new StartClassContainers());
assertEventFiredInContext(StartContainer.class, ContainerContext.class);
assertEventFired(StartContainer.class, 2);
assertEventFiredInContext(BeforeStart.class, ContainerContext.class);