EJB client-side interceptor failure when using HTTPRemoting Protocol

    @Test
    @InSequence(2)
    @OperateOnDeployment("client")
    public void testHttpRemotingProtocol() throws Exception {
        final Hashtable<String, String> props = new Hashtable<>();
        props.put(Context.URL_PKG_PREFIXES, "org.jboss.ejb.client.naming");
        props.put(Context.INITIAL_CONTEXT_FACTORY, "org.jboss.naming.remote.client.InitialContextFactory");
        props.put(Context.PROVIDER_URL, "http-remoting://" + TestSuiteEnvironment.getServerAddress() + ":"
                + (TestSuiteEnvironment.getHttpPort() + Integer.parseInt(getSystemProperty("jboss.socket.binding.port-offset", "100"))));

        StatelessRemote bean = getRemote(new InitialContext(props));
        Assert.assertNotNull(bean);

        // StatelessBean.methodCount field should equal 2 after second invoking (methodCount is a static field and is shared within a single JVM)
        Assert.assertEquals(ProtocolSampleClientInterceptor.COUNT + 2, bean.method());
    }

14:46:01 [ERROR] testHttpRemotingProtocol(org.jboss.as.test.multinode.clientinterceptor.protocol.RemoteProtocolChangeClientInterceptorTestCase)  Time elapsed: 0.77 s  <<< FAILURE!
14:46:01 java.lang.AssertionError: expected:<12> but was:<11>
14:46:01 	at org.junit.Assert.fail(Assert.java:88)
14:46:01 	at org.junit.Assert.failNotEquals(Assert.java:834)
14:46:01 	at org.junit.Assert.assertEquals(Assert.java:645)
14:46:01 	at org.junit.Assert.assertEquals(Assert.java:631)
14:46:01 	at org.jboss.as.test.multinode.clientinterceptor.protocol.RemoteProtocolChangeClientInterceptorTestCase.testHttpRemotingProtocol(RemoteProtocolChangeClientInterceptorTestCase.java:130)