Fix various bool-type coercions

Author: Girgias

Resource/ReflectionClassResource.php

@@ -123,7 +123,7 @@ private function generateSignature(\ReflectionClass $class): iterable
         yield print_r($attributes, true);
         $attributes = [];
 
-        yield $class->getDocComment();
+        yield $class->getDocComment() ?: '';
         yield (int) $class->isFinal();
         yield (int) $class->isAbstract();
 
@@ -145,7 +145,7 @@ private function generateSignature(\ReflectionClass $class): iterable
                 yield print_r($attributes, true);
                 $attributes = [];
 
-                yield $p->getDocComment();
+                yield $p->getDocComment() ?: '';
                 yield $p->isDefault() ? '<default>' : '';
                 yield $p->isPublic() ? 'public' : 'protected';
                 yield $p->isStatic() ? 'static' : '';

Tests/Builder/GeneratedConfigTest.php

@@ -198,6 +198,8 @@ private function assertDirectorySame($expected, $current)
             }
             $currentFiles[substr($file->getPathname(), \strlen($current))] = $file->getPathname();
         }
+        ksort($expectedFiles);
+        ksort($currentFiles);
 
         $this->assertSame(array_keys($expectedFiles), array_keys($currentFiles));
         foreach ($expectedFiles as $fileName => $filePath) {