[ci] Enable clang-format on unittests

.github/workflows/clang-format.yml

@@ -41,7 +41,7 @@ jobs:
           -c color.ui=always \
           -c diff.wsErrorHighlight=all \
           -c color.diff.whitespace='red reverse' \
-          clang-format-15 --diff --binary clang-format-15 --commit $PR_BASE -- demos/ include/ lib/ tools/ || \
+          clang-format-15 --diff --binary clang-format-15 --commit $PR_BASE || \
           (echo "Please run the following git-clang-format locally to fix the formatting: \n
                 git-clang-format HEAD~\n
                 for multiple commits we should place the formatting changes in the related commit with:\n