@Test
public void testCreateOp() throws Exception {

    AlgoOperator op1 = AnnotationUtils.createOp("test_fake_op_1", IOType.SourceBatch, new Params());
    Assert.assertTrue(op1 instanceof FakeOp1);
    AlgoOperator op2 = AnnotationUtils.createOp("test_fake_op_2", IOType.SourceBatch, new Params());
    Assert.assertTrue(op2 instanceof FakeOp2);
}