Testing the data migration during upgrade Install a new site using b2fa19f45df7bb8 (this is the last weekly on which the feature branch is based and prevents version number issues during this test) Expose your site on ngrok, etc. Go to "Site admin > Plugins > External tool > Manage tools" Paste in https://robotest.theedtech.dev/register and click "Add LTI Advantage" When the tool's registered, go down and click the "Close" button. Go back to the manage tools page Activate the tool Edit the tool and change "Tool configuration" to "Show in activity chooser..." Create a course Click to add an activity, selecting Robotest Click "Select content" Choose "Why choose, one of each please" Save the activity instance form Open a terminal and go to your DB Run: select * from mdl_ltiservice_gradebookservices; Verify 3 rows are returned Now, back in the terminal, run the following (just to ensure we don't have records starting at id 1, for testing purposes) delete from mdl_ltiservice_gradebookservices where id=1; Now run: select * from mdl_ltiservice_gradebookservices; Note the rows, there should be 2 starting at id=2 Now, checkout the patch Upgrade the site and Verify no errors are seen during upgrade Now, again run: select * from mdl_ltiservice_gradebookservices; Verify you see the same 2 rows, this time starting at id=1 (i.e. new table, data copied over) Check the mod/lti/service directory Verify it's empty except for the readme (to be dealt with in MDL-80231 )