public static void addTestNode(Class<? extends ExecNode<?>> execNodeClass) {
        addToLookupMap(execNodeClass);
    }
@Test
    void testNoAnnotation() {
        assertThatThrownBy(() -> ExecNodeMetadataUtil.addTestNode(DummyNodeNoAnnotation.class))
                .isInstanceOf(IllegalStateException.class)
                .hasMessage(
                        "ExecNode: org.apache.flink.table.planner.plan.utils."
                                + "ExecNodeMetadataUtilTest.DummyNodeNoAnnotation is missing "
                                + "ExecNodeMetadata annotation.");
    }