register rule to code quality

Author: TomasVotruba

config/sets/phpunit-code-quality.php

@@ -46,6 +46,7 @@
 use Rector\PHPUnit\CodeQuality\Rector\MethodCall\StringCastAssertStringContainsStringRector;
 use Rector\PHPUnit\CodeQuality\Rector\MethodCall\UseSpecificWillMethodRector;
 use Rector\PHPUnit\CodeQuality\Rector\MethodCall\UseSpecificWithMethodRector;
+use Rector\PHPUnit\CodeQuality\Rector\StmtsAwareInterface\DeclareStrictTypesTestsRector;
 use Rector\PHPUnit\PHPUnit60\Rector\MethodCall\GetMockBuilderGetMockToCreateMockRector;
 use Rector\PHPUnit\PHPUnit90\Rector\MethodCall\ReplaceAtMethodWithDesiredMatcherRector;
 use Rector\Privatization\Rector\Class_\FinalizeTestCaseClassRector;
@@ -121,6 +122,7 @@
 
         SetUpBeforeClassToSetUpRector::class,
         FinalizeTestCaseClassRector::class,
+        DeclareStrictTypesTestsRector::class,
 
         // prefer simple mocking
         GetMockBuilderGetMockToCreateMockRector::class,

rules/CodeQuality/Rector/StmtsAwareInterface/DeclareStrictTypesTestsRector.php

@@ -78,6 +78,7 @@ public function beforeTraverse(array $nodes): ?array
             return null;
         }
 
+        /** @var Node $rootStmt */
         $rootStmt = current($nodes);
 
         // when first stmt is Declare_, verify if there is strict_types definition already,