In most cases, it’s the landlord’s responsibility to fix the hole on the wall or any other damage to the unit itself. However, it's vital to remember that intentional damage is almost never covered by the renters insurance or the landlord's insurance. Since Joyce deliberately smashes down her wall, she’s going to have to cover the full cost of the damage by herself. In a real-life case, the cost of the wall repair would have been around $2040.
The information in this answer is general in nature and is not legal or insurance advice for your specific situation. Policy language varies carrier by carrier; your declarations page is the final word. If you're unsure, call your agent before you need to file.