Let connect() method wait until there is an actual connection

Author: Dennis Trautwein

lib/src/remote_devtools_middleware.dart

@@ -55,6 +55,20 @@ class RemoteDevToolsMiddleware extends MiddlewareClass {
     this._channel = await this._login();
     _setStatus(RemoteDevToolsStatus.starting);
     this._relay('START');
+
+    await Future (() {
+      final c = Completer();
+      this.socket.on(_channel, (String name, dynamic data) {
+        if (data['type'] == "START") {
+          _setStatus(RemoteDevToolsStatus.started);
+          c.complete();
+        } else {
+          c.completeError(data);
+        }
+      });
+      return c.future;
+    });
+
     this.socket.on(_channel, (String name, dynamic data) {
       this.handleEventFromRemote(data as Map<String, dynamic>);
     });