It really helped me understand the test code. I feel like I learned a lot in a short period of time. Thank you.

shortcoding

Jaehoon Lee! I'm glad I could help you a lot. ㅎㅎㅎ 
Jaehoon, you're even more amazing for learning in such a short time. :)
Thank you for leaving a review! ☺️

Through this lecture, you will be able to write clean and clear test code in the same way as you develop in practice. This lecture is for anyone who is curious about why test code is needed and what good test code is.