@Test
public void isServerException() throws Exception {

    SofaRpcException exception = new SofaRpcException(RpcErrorType.SERVER_BUSY, "111");
    Assert.assertTrue(ExceptionUtils.isServerException(exception));
    exception = new SofaRpcException(RpcErrorType.CLIENT_TIMEOUT, "111");
    Assert.assertFalse(ExceptionUtils.isServerException(exception));
}