fix tests

app/Services/Promotions/Placement/PromotionSectionCapacityService.php

@@ -9,6 +9,7 @@ use RuntimeException;
 class PromotionSectionCapacityService
 {
     public const CONFIG_KEY = 'promotion.section_capacity';
+
     public const DEFAULT_CAPACITY = 20;
 
     public function capacity(): array
@@ -23,7 +24,7 @@ class PromotionSectionCapacityService
                 'fallback' => self::DEFAULT_CAPACITY,
             ]);
             $value = self::DEFAULT_CAPACITY;
-        } elseif (!ctype_digit((string) $raw)) {
+        } elseif (! ctype_digit((string) $raw)) {
             throw new RuntimeException('promotion.section_capacity must be a positive integer.');
         } else {
             $value = (int) $raw;