@Test
public void testUpdateUnrefreshedCertificatesNotificationTimestamp() {

    ZTSTestUtils.deleteDirectory(new File("/tmp/zts-cert-tests"));
    FileCertRecordStore store = new FileCertRecordStore(new File("/tmp/zts-cert-tests"));
    FileCertRecordStoreConnection con = (FileCertRecordStoreConnection) store.getConnection();
    assertNotNull(con);
    long timestamp = System.currentTimeMillis();
    List<X509CertRecord> records = con.updateUnrefreshedCertificatesNotificationTimestamp(
            "localhost",
            timestamp,
            "provider");
    // For File store, unrefreshed certs unimplemented. Assert empty collection
    assertEquals(records, new ArrayList<>());
}