ktests: Add APVT Tendances A2 (by Trang Tong)

frontend/static/surveys/items/309/2.jpg

frontend/static/surveys/items/309/3.jpg

frontend/static/surveys/items/309/4.jpg

frontend/static/surveys/items/309/q.mp3

frontend/static/surveys/items/310/1.jpg

frontend/static/surveys/items/310/2.jpg

frontend/static/surveys/items/310/3.jpg

frontend/static/surveys/items/310/4.jpg

frontend/static/surveys/items/310/q.mp3

frontend/static/surveys/items/311/1.jpg

frontend/static/surveys/items/311/2.jpg

frontend/static/surveys/items/311/3.jpg

frontend/static/surveys/items/311/4.jpg

frontend/static/surveys/items/311/q.mp3

frontend/static/surveys/items/312/1.jpg

frontend/static/surveys/items/312/2.jpg

frontend/static/surveys/items/312/3.jpg

frontend/static/surveys/items/312/4.jpg

frontend/static/surveys/items/312/q.mp3

frontend/static/surveys/items/313/1.jpg