Metrics: Added controller feature test

tests/Feature/ApplicationFeatureTest.php

@@ -9,6 +9,6 @@ abstract class ApplicationFeatureTest extends TestCase
     public static function setUpBeforeClass(): void
     {
         $_SERVER['HTTP_HOST'] = 'foo.bar';
-        require_once __DIR__ . '/../../includes/engelsystem.php';
+        require __DIR__ . '/../../includes/engelsystem.php';
     }
 }

tests/Feature/Controllers/Metrics/ControllerTest.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace Engelsystem\Test\Feature\Controllers\Metrics;
+
+use Engelsystem\Controllers\Metrics\Controller;
+use Engelsystem\Test\Feature\ApplicationFeatureTest;
+
+class ControllerTest extends ApplicationFeatureTest
+{
+    /**
+     * @covers \Engelsystem\Controllers\Metrics\Controller::metrics
+     */
+    public function testMetrics()
+    {
+        config(['api_key' => null]);
+
+        /** @var Controller $controller */
+        $controller = app()->make(Controller::class);
+        $response = $controller->metrics();
+
+        $this->assertEquals(200, $response->getStatusCode());
+    }
+}

tests/Feature/Model/RoomModelTest.php

@@ -2,10 +2,11 @@
 
 namespace Engelsystem\Test\Feature\Model;
 
-use PHPUnit\Framework\TestCase;
+use Engelsystem\Test\Feature\ApplicationFeatureTest;
 
-class RoomModelTest extends TestCase
+class RoomModelTest extends ApplicationFeatureTest
 {
+    /** @var int */
     private $room_id = null;
 
     /**