Implemented test for Entity

application/tests/unit/Entity/AbstractEntityTest.php

@@ -0,0 +1,40 @@
+<?php
+
+namespace App\Entity;
+
+use PHPUnit\Framework\TestCase;
+
+class AbstractEntityTest extends TestCase
+{
+    /**
+     * @var EntityInterface
+     */
+    protected $entity;
+
+    public function setUp(): void
+    {
+        $this->entity = new class() extends AbstractEntity {
+        };
+    }
+
+    public function testConstructor(): void
+    {
+        $this->expectException(\TypeError::class);
+        $this->entity->getId();
+        $this->entity->getVersion();
+    }
+
+    public function testVersion(): void
+    {
+        $version = 123;
+        $this->assertNull($this->entity->setVersion($version));
+        $this->assertEquals($version, $this->entity->getVersion());
+    }
+
+    public function testId(): void
+    {
+        $id = 123;
+        $this->assertNull($this->entity->setId($id));
+        $this->assertEquals($id, $this->entity->getId());
+    }
+}