[QA] How to reject model state?

[liverbool]

Hi @fahad19 can you example me how to reject todo state when get error from server?

for example use-case:

• i see todo Hello todo
• i click edit todo label Hello todo.
• i type new todo label New todo.
• i submit todo to server for save.
• server return error 500/400 for me.
• i should see previous todo label Hello todo.

How i can reject todo label to previous state?

Thanks.