(auto): apply php-cs-fixer changes

Author: FreakyWizard

tests/Feature/ExampleTest.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 test('example', function () {
     expect(true)->toBeTrue();
 });

tests/Pest.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 /*
 |--------------------------------------------------------------------------
 | Test Case

tests/Unit/ExampleTest.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 test('example', function () {
     expect(true)->toBeTrue();
 });