private Event<GrapheneUnconfigured> unconfiguredEvent;
// graphene has to be configured before the drone factory creates the webdriver
public void configureGraphene(@Observes(precedence=100) BeforeClass event, ArquillianDescriptor descriptor) {
GrapheneConfiguration c = new GrapheneConfiguration();
c.configure(descriptor, Default.class).validate();
this.configuration.set(c);
this.configuredEvent.fire(new GrapheneConfigured(c));
}
// configuration has to be dropped after the drone factory destroy the webdriver