OperationInfo[] operationInfos = new OperationInfo[]{op};
Class serviceEndpointClass = builder.enhanceServiceEndpointInterface(MockPort.class, context, module, isolatedCl);
String portName = "foo";
SEIFactory serviceInterfaceFactory = builder.createSEIFactory(null, portName, serviceEndpointClass, serviceInstance, Collections.EMPTY_LIST, location, operationInfos, handlerInfos, null, context, isolatedCl);
assertNotNull(serviceInterfaceFactory);
Remote serviceInterface = serviceInterfaceFactory.createServiceEndpoint();
assertTrue(serviceInterface instanceof MockPort);
// MockPort mockServiceInterface = (MockPort) serviceInterface;
// mockServiceInterface.doMockOperation(null);
}