Added test approval mapping model file

app/Models/TestApprovalMapping.php

@@ -0,0 +1,46 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\SoftDeletes;
+
+class TestApprovalMapping extends Model
+{
+    use SoftDeletes;
+
+    protected $fillable = [
+        'plant_id',
+        'line_id',
+        'work_group_master_id',
+        'machine_id',
+        'tested_by',
+        'verified_by',
+        'approved_by',
+        'created_at',
+        'updated_at',
+        'created_by',
+        'updated_by',
+    ];
+
+    public function plant(): BelongsTo
+    {
+        return $this->belongsTo(Plant::class);
+    }
+
+    public function line(): BelongsTo
+    {
+        return $this->belongsTo(Line::class);
+    }
+
+    public function workGroupMaster(): BelongsTo
+    {
+        return $this->belongsTo(WorkGroupMaster::class);
+    }
+
+    public function machine(): BelongsTo
+    {
+        return $this->belongsTo(Machine::class);
+    }
+}