Negative rotation is accepted as clockwise

[josh-p-taylor]

Describe the bug
In lesson 10, the auto-grader accepts any value for clockwise rotation even when entering a negative number

To Reproduce
Steps to reproduce the bug:

1. Go to Lesson 10
2. Enter Rotating a Character Continuously
3. Use a negative rotation value
4. voila
   gdquest-1778272007177.log