diff --git a/test/README.md b/test/README.md
index b005b4d78..557e33aa8 100644
--- a/test/README.md
+++ b/test/README.md
@@ -2,5 +2,6 @@
 
 There are two main directories here:
 
+- `unit` contains unit tests of internals
 - `e2e` contains end-to-end (E2E) tests of the CLI
 - `integration` contains tests ensuring that common or recommended plugins work properly together with TSDX
diff --git a/test/e2e/utils-safePackageName.test.ts b/test/unit/utils-safePackageName.test.ts
similarity index 100%
rename from test/e2e/utils-safePackageName.test.ts
rename to test/unit/utils-safePackageName.test.ts