Try to fix unit tests

Author: martin-kolarik

sqlx-core/src/net/socket/mod.rs

@@ -234,18 +234,15 @@ pub async fn connect_tcp<Ws: WithSocket>(
 }
 
 async fn connect_tcp_address(socket_addr: SocketAddr) -> crate::Result<impl Socket> {
-    #[cfg(feature = "_rt-tokio")]
-    if crate::rt::rt_tokio::available() {
-        use tokio::net::TcpStream;
-
-        let stream = TcpStream::connect(socket_addr).await?;
-        stream.set_nodelay(true)?;
+    cfg_if! {
+        if #[cfg(feature = "_rt-tokio")] {
+            use tokio::net::TcpStream;
 
-        return Ok(stream);
-    }
+            let stream = TcpStream::connect(socket_addr).await?;
+            stream.set_nodelay(true)?;
 
-    cfg_if! {
-        if #[cfg(feature = "_rt-async-io")] {
+            Ok(stream)
+        } else if #[cfg(feature = "_rt-async-io")] {
             use async_io::Async;
             use std::net::TcpStream;