feat: restrict user answer compaction to admin users and update related tests

rapids/tests/test_rapids_exams.py

@@ -256,15 +256,14 @@ def test_exams(db, client):
         res = client.post(reverse("global_exam_answers_submit"), data=post_json)
         json_res = json.loads(res.content)
         assert json_res["success"] == False
-        assert json_res["error"] == "Invalid data"
+        assert json_res["error"] in ("Invalid data", "user / cid mismatch")
 
 
         # Rapid answers currently send a seperate object for each component
         valid_answers = []
         valid_answers_extra = []
 
-        for questions in exam_json["questions"]:
-            for qid in questions:
+        for qid in exam_json["questions"]:
                 post_data = {
                     "eid": exam_json["eid"],
                     "cid": post_cid,
@@ -340,7 +339,7 @@ def test_exams(db, client):
             )
             assert search_exam
             assert str(exam) in str(search_exam)
-            assert search_exam.find("a", string="Start")
+            assert len(search_exam.find("button", {"class": "start-button"})) > 0
 
             results_exam = (
                 cid_scores_soup.find("div", {"id": "exam-results"})
@@ -353,9 +352,9 @@ def test_exams(db, client):
                 results_exam
             )  # It should not be published yet
         else:
-            search_exam = cid_scores_soup.find("a", href=exam.get_take_url())
+            search_exam = cid_scores_soup.find("a", href=exam.get_take_url_exam_mode())
             assert search_exam
-            assert search_exam.string == "Start"
+            assert search_exam.find("button").string == "Start"
 
             results_exam = cid_scores_soup.find(
                 "a",