chore(yamux): migrate tests from async-std to tokio

Migrating tests in protocols/request-response from async_std to tokio as per #4449

Pull-Request: #5872.

Author: shiyasmohd

Cargo.lock

@@ -20,7 +20,7 @@ yamux013 = { version = "0.13.3", package = "yamux" }
 tracing = { workspace = true }
 
 [dev-dependencies]
-async-std = { version = "1.7.0", features = ["attributes"] }
+tokio = { workspace = true, features = ["macros", "rt-multi-thread"] }
 libp2p-muxer-test-harness = { path = "../test-harness" }
 
 # Passing arguments to the docsrs builder in order to properly document cfg's.

muxers/yamux/Cargo.toml

@@ -1,14 +1,14 @@
 use libp2p_yamux::Config;
 
-#[async_std::test]
+#[tokio::test]
 async fn close_implies_flush() {
     let (alice, bob) =
         libp2p_muxer_test_harness::connected_muxers_on_memory_ring_buffer::<Config, _, _>().await;
 
     libp2p_muxer_test_harness::close_implies_flush(alice, bob).await;
 }
 
-#[async_std::test]
+#[tokio::test]
 async fn read_after_close() {
     let (alice, bob) =
         libp2p_muxer_test_harness::connected_muxers_on_memory_ring_buffer::<Config, _, _>().await;