@Override
            protected void customizeContainer(PlexusContainer container) {
                super.customizeContainer(container);
                container.addComponent(mock(Maven.class), "org.apache.maven.Maven");

                ((DefaultPlexusContainer) container)
                        .addPlexusInjector(Collections.emptyList(), binder -> binder.bind(EventSpyDispatcher.class)

        given:
        withMainSourceSet()
        buildFile << '''
            class ComponentSpecContainerRules extends RuleSource {
                @Mutate
                void addComponents(ComponentSpecContainer componentSpecs) {
                    componentSpecs.anotherCustom(CustomComponent) {
                    }
                }

                @Mutate