Add a "Just write a test for it" blog post

Kobzol · Kobzol · commit 616d6ac190e5 · 2025-03-25T20:03:29.000+01:00
diff --git a/draft/2025-03-26-this-week-in-rust.md b/draft/2025-03-26-this-week-in-rust.md
@@ -39,6 +39,8 @@ and just ask the editors to select the category.
 
 ### Observations/Thoughts
 
+* [Just write a test for it](https://kobzol.github.io/rust/2025/03/25/just-write-a-test-for-it.html)
+
 ### Rust Walkthroughs
 
 ### Research
