[clang] [clang-tools-extra] [clang-tidy] [Modules] Skip checking decls in clang-tidy (PR #145630)

[Baranov Victor via cfe-commits]

================
@@ -0,0 +1,29 @@
+// RUN: rm -fr %t
----------------
vbvictor wrote:

Test file should be placed inside `clang-tools-extra/test/clang-tidy/infrastructure`

https://github.com/llvm/llvm-project/pull/145630