### Question:
SessionFlushValve extends AbstractLifecycle implements Contained, SessionFlushValveManagement,
        Valve { @Override public boolean isAsyncSupported() { return false; } SessionFlushValve();   SessionFlushValve(JmxSupport jmxSupport); @Override void backgroundProcess(); @Override Container getContainer(); @Override void setContainer(final Container container); @Override Valve getNext(); @Override void setNext(final Valve valve); Store getStore(); void setStore(final Store store); @Override void invoke(final Request request, final Response response); @Override boolean isAsyncSupported();  }### Answer:
@Test public void isAsyncSupported() { assertFalse(this.valve.isAsyncSupported()); }