[WIP]: update block_on on current runtime

Author: dlachaume

mithril-common/src/test_utils/test_http_server.rs

@@ -60,7 +60,7 @@ where
 {
     //Spawn new runtime in thread to prevent reactor execution context conflict
     thread::spawn(move || {
-        let rt = runtime::Builder::new_multi_thread()
+        let rt = runtime::Builder::new_current_thread()
             .enable_all()
             .build()
             .expect("new rt");
@@ -79,8 +79,10 @@ where
         thread::Builder::new()
             .name(thread_name)
             .spawn(move || {
-                rt.block_on(server);
-                let _ = panic_tx.send(());
+                rt.block_on(async move {
+                    server.await;
+                    let _ = panic_tx.send(());
+                });
             })
             .expect("thread spawn");