@Test
    public void testGetGeocodeFromTextUk() throws Exception {
        final IConnector connector = ConnectorFactory.getConnector("OK04F8");
        assertThat(connector.getGeocodeFromText("Bla https://opencache.uk/viewcache.php?wp=OK04F8 Test")).isEqualTo("OK04F8");
    }
OC.DE used up the 4 digit/character name space and switched over to 5 recently
main/src/androidTest/java/cgeo/geocaching/connector/oc/OCConnectorTest.java