Its hard to tell. Wait till you receive it.my application was in progress 2 weeks ago and today i see this in ecas: do you know what is this about ? is that for test letter or any other doc :
We sent you correspondence on December 13, 2017. If you have not yet provided the information or the requested documents, please do so as soon as possible. Please wait until you receive the correspondence before sending us additional information, as the correspondence will outline all information that is required.