add tests batch 20

app/Models/ExamDraft.php

@@ -2,6 +2,8 @@
 
 namespace App\Models;
 
+use App\Models\BaseModel;
+
 class ExamDraft extends BaseModel
 {
     protected $table = 'exam_drafts';
@@ -41,15 +43,15 @@ class ExamDraft extends BaseModel
     ];
 
     protected $casts = [
-        'teacher_id' => 'integer',
-        'class_section_id' => 'integer',
-        'admin_id' => 'integer',
-        'is_legacy' => 'boolean',
+        'teacher_id'        => 'integer',
+        'class_section_id'  => 'integer',
+        'admin_id'          => 'integer',
+        'is_legacy'         => 'boolean',
 
-        'version' => 'integer',
+        'version'           => 'integer',
         'previous_draft_id' => 'integer',
 
-        'reviewed_at' => 'datetime',
+        'reviewed_at'       => 'datetime',
     ];
 
     /**
@@ -63,7 +65,7 @@ class ExamDraft extends BaseModel
      */
     public function forceSave(array $attributes = []): bool
     {
-        if (! empty($attributes)) {
+        if (!empty($attributes)) {
             $this->fill($attributes);
         }