[3.13] gh-120544: Add `else: fail()` to tests where exception is expected (GH-120545) (#120546)

gh-120544: Add `else: fail()` to tests where exception is expected (GH-120545)
(cherry picked from commit 42ebdd83bb194f054fe5a10b3caa0c3a95be3679)

Co-authored-by: Nikita Sobolev <mail@sobolevn.me>