methodInfo.setControllerMethod(consumeXml);
methodInfo.getValuedParameters()[0].setValue("original1");
methodInfo.getValuedParameters()[1].setValue("original2");
when(request.getContentType()).thenReturn("application/xml");
when(deserializer.deserialize(null, consumeXml)).thenReturn(new Object[] {null, "deserialized"});
when(deserializers.deserializerFor("application/xml", container)).thenReturn(deserializer);
observer.deserializes(new InterceptorsReady(consumeXml), request, methodInfo, status);
assertEquals(methodInfo.getValuedParameters()[0].getValue(), "original1");