@Test
    @MediumTest
    public void testSearchByGeocodeNotExisting() {
        final SearchResult search = Geocache.searchByGeocode("GC1", null, true, null);
        assertThat(search).isNotNull();
        assertThat(search.getError()).isEqualTo(StatusCode.CACHE_NOT_FOUND);
    }
Test {@link Geocache#searchByGeocode(String, String, boolean, DisposableHandler)}
main/src/androidTest/java/cgeo/geocaching/CgeoApplicationTest.java