tests fix

app/Http/Controllers/Api/Grading/GradingController.php

@@ -35,6 +35,7 @@ use App\Services\Grading\GradingPlacementService;
 use App\Services\Grading\GradingRefreshService;
 use App\Services\Grading\GradingScoreService;
 use Illuminate\Http\JsonResponse;
+use RuntimeException;
 
 class GradingController extends BaseApiController
 {
@@ -143,11 +144,18 @@ class GradingController extends BaseApiController
     public function refresh(GradingRefreshRequest $request): JsonResponse
     {
         $payload = $request->validated();
-        $this->refreshService->refreshSemesterScores(
-            (int) $payload['class_section_id'],
-            (string) $payload['semester'],
-            (string) $payload['school_year']
-        );
+        try {
+            $this->refreshService->refreshSemesterScores(
+                (int) $payload['class_section_id'],
+                (string) $payload['semester'],
+                (string) $payload['school_year']
+            );
+        } catch (RuntimeException $exception) {
+            return response()->json([
+                'ok' => false,
+                'message' => $exception->getMessage(),
+            ], 422);
+        }
 
         return response()->json(['ok' => true]);
     }