You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: new_tests.rs
    path of file: ./repos/Selenite/tests
    
    the code of the file until where you have to start completion: #[cfg(test)]
mod te
    
    fn new_cert(){
        let (cert,keypair) = SeleniteCertificate::new(
        String::from("Subject Name"),
        CertificateType::INDIVIDUAL,
        Some(String::from("[Optional] Username")),
        vec![KeyUsage::CODE_SIGNING,KeyUsage::DOCUMENT_SIGNING,KeyUsage::REVOCATION],
        Some(String::from("[Optional] Email Address")),
        Some(String::from("[Optional] Phone Number")),
        Some(String::from("[Optional] Address")),
        Some(String::from("[Optional] Backup Email")),
        Some(String::from("[Optional] Backup Phone Number")),
        Some(String::from("[Optional] Description")),
        Some(String::from("[Optional] Website")),
        Some(String::from("[Optional] @Github")),
        Some(String::from("[Optional] @Reddit")),
        Some(String::from("[Optional] @Twitter")),
        Some(String::from("[Optional] @Keybase")),
        Some(String::from("[Optional] Bitcoin Address (BTC)")),
        Some(String::from("[Optional] Ethereum Address (ETH)")),
        Some(String::from("[Optional] Monero Address (XMR)")),
        Some(String::from("[Optional] Zcash Address (ZEC)")),
        Some(String::from("[Optional] PGP Key")),
        Some(String::from("[Optional] Onion Website")),
        Some(String::from("[Optional] Backup PGP Key")),
        Some(0usize), // (Optional) | Last_Bitcoin_Block_Height,
        Some(String::from("[Optional] Last Bitcoin Block Hash")),
        );
    }