@Test
    public void testGsakDNF() throws IOException, ParserException {
        final Geocache cache = getFirstCache(R.raw.gc3t1xg_gsak_dnf);
        assertThat(cache.isFound()).isFalse();
        assertThat(cache.isDNF()).isTrue();
        assertThat(cache.getVisitedDate()).isEqualTo(parseTime("2021-03-20T00:00:00Z"));
    }
fake GPX with bad cache id, must be detected by GPX import
main/src/androidTest/java/cgeo/geocaching/files/GPXParserTest.java