@Test
public void testWrappedSubscription() {

    Subscription subscription = new Subscription() {
        @Override
        public void request(long n) {
        }
        @Override
        public void cancel() {
        }
    };
    WrappedSubscription wrapped = new WrappedSubscription(subscription, null);
    assertThat(wrapped).isNotNull();
    wrapped.request(10);
    wrapped.cancel();
}