[clang-doc] Add missing check in tests

Path is now checked when comparing two Infos in the unit tests.

Differential Revision: https://reviews.llvm.org/D66124

git-svn-id: https://llvm.org/svn/llvm-project/clang-tools-extra/trunk@368912 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed