[clang] [llvm] [ci] Write test results to unique file names (PR #113160)

[Vitaly Buka via cfe-commits]

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@@ -15,3 +15,5 @@ documentation setup.
 
 If you are writing a package for LLVM, see docs/Packaging.rst for our
 suggestions.
+
+Test line.
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vitalybuka wrote:

Why thus change?

https://github.com/llvm/llvm-project/pull/113160