Deleted test_example, fixed two other tests

Author: reppuli92

e2e_tests/test_example.py

@@ -9,7 +9,7 @@ def test_submission_count(page: Page):
     page.goto("http://localhost:8000/?hl=en")
     login(page, "student", "student")
     navigate_to_default_course(page)
-    page.get_by_role("link", name="5.2 Question groups").click()
+    page.get_by_role("link", name="5.2 Question groups").first.click()
 
     #fill in an answer 11 times for exercise 5.2.1
     exercise = page.locator("#chapter-exercise-1")

e2e_tests/test_submissions.py

@@ -9,7 +9,7 @@ def test_should_not_accept_empty_submission(page: Page):
     page.goto("http://localhost:8000/?hl=en")
     login(page, "student", "student")
     navigate_to_default_course(page)
-    page.get_by_role("link", name="5.1 Creating questionnaire exercises").click()
+    page.get_by_role("link", name="5.1 Creating questionnaire exercises").first.click()
 
     #fill in an empty answer for exercise 5.1.2
     exercise = page.locator("#chapter-exercise-2")
@@ -34,7 +34,7 @@ def test_should_give_zero_points_on_false_submission(page: Page):
     page.goto("http://localhost:8000/?hl=en")
     login(page, "student", "student")
     navigate_to_default_course(page)
-    page.get_by_role("link", name="5.1 Creating questionnaire exercises").click()
+    page.get_by_role("link", name="5.1 Creating questionnaire exercises").first.click()
 
     #fill in an false answer for exercise 5.1.2
     exercise = page.locator("#chapter-exercise-2")