test(s2n-quic-dc): implement tokio stream tests for dcQUIC

[boquan-fang]

Release Summary:

Resolved issues:

Description of changes:

This PR implements stream tokio tests for dcQUIC.

For testing purpose, I need to implement a TestTlsProvider which implements the tls::Provider trait to use certs from s2n-quic-core to perform handshake. Furthermore, since tests don't require a event subscriber to do anything, I implemented a NoopSubscriber, which implements the event::Subscriber from dcQUIC and s2n-quic-coire traits to act as a test event subscriber. Those tests don't need a event query function to do anything, so I set up an empty query_event function to act as a input to the tests as well.

Tests that I implemented perform handshakes between dcQUIC endpoints using the client, server, and io providers from the psk directory.

Call-outs:

I was trying to write the multiple_shutdown_test() like:

#[tokio::test]
async fn multiple_shutdown_test() {
    let context = Context::new().await;
    let (mut client, server) = context.pair().await;

    for i in 0..3 {
        if i > 0 && cfg!(target_os = "macos") {
            assert_eq!(
                client.shutdown().await.unwrap_err().kind(),
                ErrorKind::NotConnected
            );
        } else {
            client.shutdown().await.unwrap();
        }
    }

    drop(server);
}

I verifies that the stream::tests::behavior::tcp::write::multiple_shutdown_test is working fine on my local Mac laptop. That is the expected behavior: when a tokio TcpStream was shutdown on my Mac laptop, it won't allow us to shut it down again and will emit a NotConnected error. However, the Github Action running on macos-latest behaves quite differently. A tokio TcpStream can be shutdown multiple times on macos-latest github action runner. In that case, I decide to not running that test on macos. Refer to this run for more information.

Testing:

All these tests should pass the CI.

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[boquan-fang]

NOTE:: #2774 already implement the Handshake trait for Client and Server Provider struct. This PR need to refactor according to that.