Renamed GroupSourcesAttribut to MembershipsAttribut and Implemented\Optimized tests

application/tests/Unit/Entity/Attribut/IdAttributTest.php

@@ -0,0 +1,34 @@
+<?php
+namespace Tests\Unit\Entity\Attribut;
+
+use PHPUnit\Framework\TestCase;
+use App\Entity\Attribut\IdAttribut;
+use App\Entity\Attribut\IdAttributInterface;
+
+class IdAttributTest extends TestCase
+{
+    /**
+     * 
+     * @var IdAttributInterface
+     */
+    protected $id;
+    
+    public function setUp():void{
+        $this->id = new class implements IdAttributInterface{
+            use IdAttribut;
+        };
+    }
+    
+    public function testConstruct():void{
+        $this->expectException(\TypeError::class);
+        $this->id->getId();
+    }
+    
+    public function testAccessors():void{
+        $id = 1234;
+        $this->assertNull($this->id->setId($id));
+        $this->assertEquals($id, $this->id->getId());
+    }
+    
+}
+