diff --git a/test/integration/browser/README.md b/test/integration/browser/README.md
index 10a55f7de17..8b36a3c172c 100644
--- a/test/integration/browser/README.md
+++ b/test/integration/browser/README.md
@@ -14,6 +14,7 @@ All integration tests run in an Electron instance. You can specify to run the te
 
 ## Run (inside browser)
 
+	yarn gulp mixin-server
 	resources/server/test/test-web-integration.[sh|bat] --browser [chromium|webkit] [--debug]
 
 All integration tests run in a browser instance as specified by the command line arguments.
diff --git a/test/smoke/README.md b/test/smoke/README.md
index 8b41d05ed08..8836886be6b 100644
--- a/test/smoke/README.md
+++ b/test/smoke/README.md
@@ -13,6 +13,7 @@ yarn --cwd test/automation
 yarn smoketest
 
 # Dev (Web)
+yarn gulp mixin-server
 yarn smoketest --web --browser [chromium|firefox|webkit]
 
 # Build (Electron)