container.add(bean);

        when:
        container.child {
            beanProperty = 'value'
        }

        then:
        bean.beanProperty == 'value'

        when:
        container.invokeMethod("child") {
            beanProperty = 'value 2'
        }

        then:
        bean.beanProperty == 'value 2'
    }

    def cannotInvokeUnknownMethod() {

        final Object bean = newImplementation(clazz);

        // build map of all known bean properties belonging to the chosen implementation
        final Map<String, BeanProperty<Object>> propertyMap = new HashMap<>();
        for (final BeanProperty<Object> property : new BeanProperties(clazz)) {
            final String name = property.getName();
            if (!propertyMap.containsKey(name)) {

                    continue;
                }
                if (metaProperty instanceof MetaBeanProperty) {
                    MetaBeanProperty beanProperty = (MetaBeanProperty) metaProperty;
                    if (beanProperty.getGetter() == null) {
                        continue;
                    }
                }
                properties.put(metaProperty.getName(), metaProperty.getProperty(bean));