build: fixed recovery test

public/views/error.html

@@ -6,7 +6,7 @@
     <meta name="viewport" content="width=device-width">
     <meta name="theme-color" content="#000">
 
-    <title>Grafana</title>
+    <title>Grafana - Error</title>
 
     <base href="[[.AppSubUrl]]/" />