Merge pull request #1743 from flarum/fl/test-structure

Improve test suite structure

src/Foundation/InstalledApp.php

@@ -42,6 +42,11 @@ class InstalledApp implements AppInterface
         $this->config = $config;
     }
 
+    public function getContainer()
+    {
+        return $this->container;
+    }
+
     /**
      * @return \Psr\Http\Server\RequestHandlerInterface
      */

src/Foundation/InstalledSite.php

@@ -72,7 +72,7 @@ class InstalledSite implements SiteInterface
     /**
      * Create and boot a Flarum application instance.
      *
-     * @return AppInterface
+     * @return InstalledApp
      */
     public function bootApp(): AppInterface
     {