How do you educate junior developers on testing best practices?

Short answer: I organize hands-on workshops, code reviews focusing on test quality, pair programming sessions, and provide resources emphasizing the value of tests and how to write effective, maintainable tests. Miscellaneous

Real-world example (ShopNest)

Arrange a cart with 2 items → Act Checkout() → Assert total and that payment was called once.

Say this in the interview

1. Define — one clear sentence (the short answer above).
2. Example — relate it to a project like ShopNest or your real work.
3. Trade-off — when you would not use it.