fix: fix php-cs-fixer tests errors

Author: tommyknocker

tests/MetadataSystemTest.php

@@ -151,10 +151,10 @@ public function testMetadataFactoryClearCache(): void
         // Get metadata again - should create new instance
         $metadata2 = $factory->getMetadata(TestStruct::class);
         $this->assertInstanceOf(StructMetadata::class, $metadata2);
-        
+
         // Should be different instances after cache clear
         $this->assertNotSame($metadata1, $metadata2);
-        
+
         // But should have same content
         $this->assertEquals($metadata1->className, $metadata2->className);
         $this->assertEquals($metadata1->fields, $metadata2->fields);

tests/RequiredRuleTest.php

@@ -6,7 +6,6 @@
 
 use PHPUnit\Framework\TestCase;
 use tommyknocker\struct\validation\rules\RequiredRule;
-use tommyknocker\struct\validation\ValidationResult;
 
 final class RequiredRuleTest extends TestCase
 {