code: @Test public void testSetContext(){
    URL url=URL.valueOf("test://test:11/test?group=dubbo&version=1.1");
    Invoker<DemoService> invoker=new MyInvoker<DemoService>(url);
    Invocation invocation=new MockInvocation();
    consumerContextFilter.invoke(invoker,invocation);
    assertEquals(invoker,RpcContext.getContext().getInvoker());
    assertEquals(invocation,RpcContext.getContext().getInvocation());
    assertEquals(NetUtils.getLocalHost() + ":0",RpcContext.getContext().getLocalAddressString());
    assertEquals("test:11",RpcContext.getContext().getRemoteAddressString());
  }
  