MAGETWO-80120: Magento\Framework\App\Test\Unit\BootstrapTest reset error handler to \Exception

- Fix static

Author: VeronikaYarats

lib/internal/Magento/Framework/Unserialize/Test/Unit/UnserializeTest.php

@@ -3,13 +3,15 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+declare(strict_types=1);
+
 namespace Magento\Framework\Unserialize\Test\Unit;
 
 use Magento\Framework\Serialize\Serializer\Serialize;
 use Magento\Framework\Unserialize\Unserialize;
 
 /**
- * Test class for Magento/Framework/Unserialize/Unserialize.
+ * Test unserializer that does not unserialize objects.
  */
 class UnserializeTest extends \PHPUnit\Framework\TestCase
 {

lib/internal/Magento/Framework/View/Test/Unit/TemplateEngine/PhpTest.php

@@ -3,10 +3,12 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+declare(strict_types=1);
+
 namespace Magento\Framework\View\Test\Unit\TemplateEngine;
 
 /**
- * Class PhpTest.
+ * Test template engine that enables PHP templates to be used for rendering.
  */
 class PhpTest extends \PHPUnit\Framework\TestCase
 {