add tests batch 20

app/Services/ClassPreparation/ClassPreparationInventoryService.php

@@ -50,7 +50,7 @@ class ClassPreparationInventoryService
         }
 
         $needsFallback = array_filter($inventoryMap, static fn ($v) => (int) $v === 0);
-        if (! empty($needsFallback)) {
+        if (!empty($needsFallback)) {
             $fallbackRows = DB::table('inventory_items')
                 ->select('name AS item_name, COALESCE(SUM(CASE WHEN good_qty IS NOT NULL AND good_qty > 0 THEN good_qty WHEN `condition`=\"good\" THEN quantity ELSE quantity END),0) AS available')
                 ->where('type', 'classroom')
@@ -79,7 +79,6 @@ class ClassPreparationInventoryService
 
             if ($goodQty > 0) {
                 $inventoryMap[$name] = $goodQty;
-
                 continue;
             }