diff --git a/tests/Feature/Accessories/Api/UpdateAccessoryTest.php b/tests/Feature/Accessories/Api/UpdateAccessoryTest.php
index 932623fb36..a0009a732a 100644
--- a/tests/Feature/Accessories/Api/UpdateAccessoryTest.php
+++ b/tests/Feature/Accessories/Api/UpdateAccessoryTest.php
@@ -3,11 +3,17 @@
 namespace Tests\Feature\Accessories\Api;
 
 use App\Models\Accessory;
+use App\Models\Category;
+use App\Models\Company;
+use App\Models\Location;
+use App\Models\Manufacturer;
+use App\Models\Supplier;
 use App\Models\User;
+use Tests\Concerns\TestsFullMultipleCompaniesSupport;
 use Tests\Concerns\TestsPermissionsRequirement;
 use Tests\TestCase;
 
-class UpdateAccessoryTest extends TestCase implements TestsPermissionsRequirement
+class UpdateAccessoryTest extends TestCase implements TestsFullMultipleCompaniesSupport, TestsPermissionsRequirement
 {
     public function testRequiresPermission()
     {
@@ -17,4 +23,84 @@ class UpdateAccessoryTest extends TestCase implements TestsPermissionsRequiremen
             ->patchJson(route('api.accessories.update', $accessory))
             ->assertForbidden();
     }
+
+    public function testAdheresToFullMultipleCompaniesSupportScoping()
+    {
+        [$companyA, $companyB] = Company::factory()->count(2)->create();
+
+        $accessoryA = Accessory::factory()->for($companyA)->create(['name' => 'A Name to Change']);
+        $accessoryB = Accessory::factory()->for($companyB)->create(['name' => 'A Name to Change']);
+        $accessoryC = Accessory::factory()->for($companyB)->create(['name' => 'A Name to Change']);
+
+        $superuser = User::factory()->superuser()->create();
+        $userInCompanyA = $companyA->users()->save(User::factory()->editAccessories()->make());
+        $userInCompanyB = $companyB->users()->save(User::factory()->editAccessories()->make());
+
+        $this->settings->enableMultipleFullCompanySupport();
+
+        $this->actingAsForApi($userInCompanyA)
+            ->patchJson(route('api.accessories.update', $accessoryB), ['name' => 'New Name'])
+            ->assertStatusMessageIs('error');
+
+        $this->actingAsForApi($userInCompanyB)
+            ->patchJson(route('api.accessories.update', $accessoryA), ['name' => 'New Name'])
+            ->assertStatusMessageIs('error');
+
+        $this->actingAsForApi($superuser)
+            ->patchJson(route('api.accessories.update', $accessoryC), ['name' => 'New Name'])
+            ->assertOk();
+
+        $this->assertEquals('A Name to Change', $accessoryA->fresh()->name);
+        $this->assertEquals('A Name to Change', $accessoryB->fresh()->name);
+        $this->assertEquals('New Name', $accessoryC->fresh()->name);
+    }
+
+    public function testCanUpdateAccessoryViaPatch()
+    {
+        [$categoryA, $categoryB] = Category::factory()->count(2)->create();
+        [$companyA, $companyB] = Company::factory()->count(2)->create();
+        [$locationA, $locationB] = Location::factory()->count(2)->create();
+        [$manufacturerA, $manufacturerB] = Manufacturer::factory()->count(2)->create();
+        [$supplierA, $supplierB] = Supplier::factory()->count(2)->create();
+
+        $accessory = Accessory::factory()->create([
+            'name' => 'A Name to Change',
+            'qty' => 5,
+            'order_number' => 'A12345',
+            'purchase_cost' => 99.99,
+            'model_number' => 'ABC098',
+            'category_id' => $categoryA->id,
+            'company_id' => $companyA->id,
+            'location_id' => $locationA->id,
+            'manufacturer_id' => $manufacturerA->id,
+            'supplier_id' => $supplierA->id,
+        ]);
+
+        $this->actingAsForApi(User::factory()->editAccessories()->create())
+            ->patchJson(route('api.accessories.update', $accessory), [
+                'name' => 'A New Name',
+                'qty' => 10,
+                'order_number' => 'B54321',
+                'purchase_cost' => 199.99,
+                'model_number' => 'XYZ123',
+                'category_id' => $categoryB->id,
+                'company_id' => $companyB->id,
+                'location_id' => $locationB->id,
+                'manufacturer_id' => $manufacturerB->id,
+                'supplier_id' => $supplierB->id,
+            ])
+            ->assertOk();
+
+        $accessory = $accessory->fresh();
+        $this->assertEquals('A New Name', $accessory->name);
+        $this->assertEquals(10, $accessory->qty);
+        $this->assertEquals('B54321', $accessory->order_number);
+        $this->assertEquals(199.99, $accessory->purchase_cost);
+        $this->assertEquals('XYZ123', $accessory->model_number);
+        $this->assertEquals($categoryB->id, $accessory->category_id);
+        $this->assertEquals($companyB->id, $accessory->company_id);
+        $this->assertEquals($locationB->id, $accessory->location_id);
+        $this->assertEquals($manufacturerB->id, $accessory->manufacturer_id);
+        $this->assertEquals($supplierB->id, $accessory->supplier_id);
+    }
 }