add tests

tests/vite-app/app/components/fancy.gts

@@ -1,2 +1,10 @@
-<template>Yay for gts!</template>
+import WithIndex from './with-index';
+
+export const Other = <template>
+  <WithIndex @message='direct import' />
+</template>
+
+<template>
+Yay for gts!
+</template>
 

tests/vite-app/app/components/with-index/index.gjs

@@ -0,0 +1,3 @@
+export default <template>
+  In Index {{@message}}
+</template>

tests/vite-app/app/templates/application.hbs

@@ -1,6 +1,7 @@
 {{page-title "ViteApp"}}
 
 <Example @message={{this.model.message}} />
+<WithIndex @message="compat mode" />
 
 <WelcomePage />
 {{! Feel free to remove this! }}