tests: move vendored certs to subdir

This keeps the tests dir tidy and will make it easier to add an update
script that isn't itself an integration test.

tests/early-data.rs

@@ -65,10 +65,10 @@ async fn test_0rtt_vectored() -> io::Result<()> {
 }
 
 async fn test_0rtt_impl(vectored: bool) -> io::Result<()> {
-    let cert_chain = rustls_pemfile::certs(&mut Cursor::new(include_bytes!("end.cert")))
+    let cert_chain = rustls_pemfile::certs(&mut Cursor::new(include_bytes!("certs/end.cert")))
         .collect::<io::Result<Vec<_>>>()?;
     let key_der =
-        rustls_pemfile::private_key(&mut Cursor::new(include_bytes!("end.rsa")))?.unwrap();
+        rustls_pemfile::private_key(&mut Cursor::new(include_bytes!("certs/end.rsa")))?.unwrap();
     let mut server = ServerConfig::builder()
         .with_no_client_auth()
         .with_single_cert(cert_chain, key_der)
@@ -109,7 +109,7 @@ async fn test_0rtt_impl(vectored: bool) -> io::Result<()> {
         });
     });
 
-    let mut chain = BufReader::new(Cursor::new(include_str!("end.chain")));
+    let mut chain = BufReader::new(Cursor::new(include_str!("certs/end.chain")));
     let mut root_store = RootCertStore::empty();
     for cert in rustls_pemfile::certs(&mut chain) {
         root_store.add(cert.unwrap()).unwrap();

tests/test.rs

@@ -15,9 +15,9 @@ use tokio::sync::oneshot;
 use tokio::{runtime, time};
 use tokio_rustls::{LazyConfigAcceptor, TlsAcceptor, TlsConnector};
 
-const CERT: &str = include_str!("end.cert");
-const CHAIN: &[u8] = include_bytes!("end.chain");
-const RSA: &str = include_str!("end.rsa");
+const CERT: &str = include_str!("certs/end.cert");
+const CHAIN: &[u8] = include_bytes!("certs/end.chain");
+const RSA: &str = include_str!("certs/end.rsa");
 
 lazy_static! {
     static ref TEST_SERVER: (SocketAddr, &'static str, &'static [u8]) = {

tests/utils.rs

@@ -8,9 +8,9 @@ mod utils {
 
     #[allow(dead_code)]
     pub fn make_configs() -> (Arc<ServerConfig>, Arc<ClientConfig>) {
-        const CERT: &str = include_str!("end.cert");
-        const CHAIN: &str = include_str!("end.chain");
-        const RSA: &str = include_str!("end.rsa");
+        const CERT: &str = include_str!("certs/end.cert");
+        const CHAIN: &str = include_str!("certs/end.chain");
+        const RSA: &str = include_str!("certs/end.rsa");
 
         let cert = certs(&mut BufReader::new(Cursor::new(CERT)))
             .map(|result| result.unwrap())