magento#18387:

catalog:images:resize fails to process all images -> Possible underlying Magento/Framework/DB/Query/Generator issue
- fix unit test - now it can test also not only full batches, but partial as well (139 images with batch size 100);

app/code/Magento/Catalog/Test/Unit/Model/ResourceModel/Product/ImageTest.php

@@ -210,10 +210,12 @@ protected function getBatchIteratorCallback(
     public function dataProvider(): array
     {
         return [
+            [300, 300],
             [300, 100],
             [139, 100],
             [67, 10],
-            [154, 47]
+            [154, 47],
+            [0, 100]
         ];
     }
 }