@Override
    public void run(final RunNotifier notifier) {
        // For every run, we need to set up an instance of the apiman engine.
        setEngine(createEngine());
        super.run(notifier);
    }
@see org.junit.runners.ParentRunner#run(org.junit.runner.notification.RunNotifier)
test/policies/src/main/java/io/apiman/test/policies/PolicyTester.java