assertNull("The shutdown hook should not have been executed",
getProject().getProperty("shutdown.executed"));
// Call the startup and shutdown hooks and assert that they have been
// executed
Container container = containers[0];
container.startUp();
assertEquals("The startup hook should have been executed, ",
"true", getProject().getProperty("startup.executed"));
container.shutDown();
assertEquals("The shutdown hook should have been executed, ",
"true", getProject().getProperty("shutdown.executed"));
}