`3 * 4 == 12` is True - `test_multiply_by_zero`: **PASS** — `5 * 0 == 0` is True - `test_multiply_strings`: **PASS** — `"ha" * 3 == "hahaha"` is True (Python string repetition) - `test_multiply_negative`: **FAIL** — `(-2) * 3 == -6`, not `6`. The assertion `assert -6 == 6` fails.