fixup! fixup! add fixture and test

Author: TomasVotruba

rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/AddReturnDocblockForCommonObjectDenominatorRector/config/configured_rule.php

@@ -2,9 +2,10 @@
 
 declare(strict_types=1);
 
+use Rector\TypeDeclarationDocblocks\Rector\ClassMethod\AddReturnDocblockForCommonObjectDenominatorRector;
 use Rector\Config\RectorConfig;
 
 return RectorConfig::configure()
     ->withRules(
-        [\Rector\TypeDeclarationDocblocks\Rector\ClassMethod\AddReturnDocblockForCommonObjectDenominatorRector::class]
+        [AddReturnDocblockForCommonObjectDenominatorRector::class]
     );