diff --git a/_redirects b/_redirects
index a56b1030d..caa87aea1 100644
--- a/_redirects
+++ b/_redirects
@@ -27,3 +27,6 @@
 
 # lots of 1e -> 2e changes and churn within 2e
 /namespace.html /dependencies-mindset-background.html#sec-dependencies-namespace
+
+# split into multiple chapters
+/tests.html /testing-basics.html