Refactor more old code and get tests to pass

src/Listeners/RevertToCentralContext.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace Stancl\Tenancy\Listeners;
+
+use Stancl\Tenancy\Events\RevertedToCentralContext;
+use Stancl\Tenancy\Events\TenancyEnded;
+
+class RevertToCentralContext
+{
+    public function handle(TenancyEnded $event)
+    {
+        foreach ($event->tenancy->getBootstrappers() as $bootstrapper) {
+            $bootstrapper->revert();
+        }
+
+        event(new RevertedToCentralContext($event->tenancy));
+    }   
+}