[clang] [Clang][Driver][Test] Created test for unsupported driver options (PR #120900)

[Mészáros Gergely via cfe-commits]

https://github.com/Maetveis requested changes to this pull request.

Phew, first round in. Please don't take the number of suggestions as a negative, the basic structure looks good there's just many small tweaks to be made :).

https://github.com/llvm/llvm-project/pull/120900