@Test
public void testdeleteExpiredSSHCertRecords() {

    DynamoDBSSHRecordStoreConnection dbConn = new DynamoDBSSHRecordStoreConnection(dynamoDB, tableName);
    assertEquals(0, dbConn.deleteExpiredSSHCertRecords(100));
    assertEquals(0, dbConn.deleteExpiredSSHCertRecords(100000));
    dbConn.close();
}