Testing scenario Create a topics format course with completion tracking Add some topics and at least one activity with manual completion and one with automatic completion when the student view the activity Create a user and enrol it as a student into the course Login as the student (but don't access the course yet) Open the browser dev tools (F12 in chrome), then go to the Network tab and write "state" into the filter (otherwise it will be hard to see the state request) Test 1: basic test Access the course as the student Check that the network tool shows one connection to get the state. Check the course index is displayed Refresh the page Check that there is no get state connection in the network tool Check the course index is displayed Go inside one activity Check that there is no get state connection in the network tool Check the course index is displayed Test 2: editing the course Access the course as the student Check the course index is displayed Refresh the page Check that there is no get state connection in the network tool Check the course index is displayed Open another browser, login as admin, and edit the course (for example changing the order of the activities). Then you can close the window we don't need the admin anymore. Refresh the student browser Check that the network tool shows one connection to get the state. Check the course index is displayed Refresh again the student browser Check that there is no get state connection in the network tool Check the course index is displayed Test 3: manual completion Access the course as the student Refresh the page Check that there is no get state connection in the network tool Check the course index is displayed Click on the manual completion button of one activity Check the activity is marked as completed in the course index Refresh the page  Check that the network tool shows one connection to get the state. Check the course index is displayed with the correct activity completion Test 4: automatic completion Access the course as the student Refresh the page Check that there is no get state connection in the network tool Check the course index is displayed Access the activity with view automatic completion Refresh the page  Check that the network tool shows one connection to get the state. Check the course index is displayed with the correct activity completion Test 5: user preference Access the course as the student Refresh the page Check that there is no get state connection in the network tool Check the course index is displayed Collapse one section in the course index Refresh the page  Check that the network tool shows one connection to get the state. Check the course index is displayed Check the section remains is collapsed