[clang-tools-extra] [llvm] [clang-doc] Add basic e2e test (PR #93928)

[Paul Kirth via cfe-commits]

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@@ -69,8 +70,15 @@
 clang_tidy_headers = os.path.join(
     config.test_source_root, "clang-tidy", "checkers", "Inputs", "Headers"
 )
+
 config.substitutions.append(("%clang_tidy_headers", clang_tidy_headers))
 
+clang_doc_install = os.path.join(
+    os.path.dirname(shutil.which("clang-doc")), "..", "share", "clang"
+)
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ilovepi wrote:

That's also likely true, but TBH I don't have a problem running clang-doc from the build directory, so maybe something else is wrong?

https://github.com/llvm/llvm-project/pull/93928