Add Rust unit testing article link

jdortiz · web-flow · commit bf59631cbd94 · 2025-12-16T11:59:12.000+01:00
diff --git a/draft/2025-12-17-this-week-in-rust.md b/draft/2025-12-17-this-week-in-rust.md
@@ -48,6 +48,7 @@ and just ask the editors to select the category.
 ### Observations/Thoughts
 
 ### Rust Walkthroughs
+- [Rust Unit Testing: File writing](https://jorgeortiz.dev/posts/rust_unit_testing_file_writing/)
 
 ### Research
 
