To replicate the environment use MDL-42818 testing instructions. You can also use mobile master site >Feature Demo course > Assignment > Advanced uploading of files. Enter as a teacher and navigate to the activity. Enter participants list. Check user Pau says Graded - follow up submission received. Enter the submission and check it also says that on top. You can compare it with website. Add a grade to the submission (in the same page that step 4) Go back to the activity, the submissions list and check that "Graded - follow up submission received." is not indicated any more