Refactored reciever group and adapted testing namespaces

application/tests/unit/Entity/Meta/RecieverTest.php

@@ -0,0 +1,24 @@
+<?php
+namespace App\tests\unit\Entity\Meta;
+
+use PHPUnit\Framework\TestCase;
+use Doctrine\Common\Collections\Collection;
+use App\Entity\Meta\Reciever;
+use App\Entity\Meta\RecieverInterface;
+
+class RecieverTest extends TestCase
+{
+    /**
+     * 
+     * @var RecieverInterface
+     */
+    public $reciever;
+    
+    public function setUp():void{
+        $this->reciever = new Reciever();
+    }
+    
+    public function testConstructor():void {
+        $this->assertEquals(Collection::class, $this->reciever->getAllRecievers());
+    }
+}