add method to append track in queue

backend/auth/session.py

@@ -58,6 +58,14 @@ class SessionData():
 
         return self.__access_token
 
+    def __eq__(self, other):
+        if not isinstance(other, SessionData):
+            return False
+
+        return (self.__access_token == other.__access_token and
+                self.__refresh_token == other.__refresh_token and
+                self.__expires_in == other.__expires_in)
+
 
 class SessionManager():
     __current_session: SessionData