    @Test
    public void testNotModifiableParams() {

        DownloadMediaOptions.Builder builder = new DownloadMediaOptions.Builder();
        builder.maxHeight(100)
                .maxHeight(200)
                .maxHeight(300)
                .maxHeight(400);

        assertNotNull(builder.build());

        String finalURL = builder.build().toString();
        assertTrue(finalURL.contains("mh"));
        assertEquals(2, finalURL.split("mh").length);
    }