[clang] [llvm] [clang-tools-extra] [CLANG] Fix : More Detailed "No expected directives found" (PR #78338)

[Shourya Goel via llvm-commits]

Sh0g0-1758 wrote:

Please see the desired behavior in this screenshot : 

![Screenshot from 2024-01-20 00-23-12](https://github.com/llvm/llvm-project/assets/114918019/c8c7dcca-a1eb-4ee5-8fe7-53c7c2ac99ca)

With `-verify=` we get `expected-no-diagnostics` and with `-verify=foo` we get `foo-no-diagnostics`

https://github.com/llvm/llvm-project/pull/78338