fix tests

app/Models/PlacementScore.php

@@ -2,8 +2,6 @@
 
 namespace App\Models;
 
-use App\Models\BaseModel;
-
 class PlacementScore extends BaseModel
 {
     protected $table = 'placement_scores';
@@ -22,9 +20,9 @@ class PlacementScore extends BaseModel
     ];
 
     protected $casts = [
-        'batch_id'   => 'integer',
+        'batch_id' => 'integer',
         'student_id' => 'integer',
-        'score'      => 'decimal:2', // change to 'integer' if score is whole number
+        'score' => 'decimal:2', // change to 'integer' if score is whole number
         'created_by' => 'integer',
         'updated_by' => 'integer',
     ];
@@ -49,4 +47,4 @@ class PlacementScore extends BaseModel
     {
         return $this->belongsTo(User::class, 'updated_by');
     }
-}
+}