@Override
    public boolean next() throws SQLException {
        return queryResult.next();
    }
@Test
    void assertNext() throws SQLException {
        QueryResult queryResult = mock(QueryResult.class);
        when(queryResult.next()).thenReturn(true, false);
        TransparentMergedResult actual = new TransparentMergedResult(queryResult);
        assertTrue(actual.next());
        assertFalse(actual.next());
    }