From f5d2597bacd8c87410f53f8e4c217e47f76cd528 Mon Sep 17 00:00:00 2001
From: Jack Franklin <jacktfranklin@chromium.org>
Date: Wed, 13 May 2020 09:20:33 +0100
Subject: [PATCH] chore: add running TSC to test README (#5852)

---
 test/README.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/test/README.md b/test/README.md
index 5771932f4be24..11a83310a0607 100644
--- a/test/README.md
+++ b/test/README.md
@@ -43,6 +43,12 @@ Despite being named 'unit', these are integration tests, making sure public API
 npm run unit
 ```
 
+- __Important__: don't forget to first run TypeScript if you're testing local changes:
+
+```bash
+npm run tsc && npm run unit
+```
+
 - To run a specific test, substitute the `it` with `it.only`:
 
 ```js