(add empty AddConcertTest)

tests/Feature/Backstage/AddConcertTest.php

@@ -0,0 +1,14 @@
+<?php
+
+namespace Tests\Feature\Backstage;
+
+use App\User;
+use App\Concert;
+use Carbon\Carbon;
+use Tests\TestCase;
+use Illuminate\Foundation\Testing\DatabaseMigrations;
+
+class AddConcertTest extends TestCase
+{
+    use DatabaseMigrations;
+}