diff --git a/tests/Functional/AuditingTest.php b/tests/Functional/AuditingTest.php
index 6f55abc2..3c3f8c9f 100644
--- a/tests/Functional/AuditingTest.php
+++ b/tests/Functional/AuditingTest.php
@@ -620,6 +620,7 @@ public function itWillAuditSync()
 
         $article->auditSync('categories', [$secondCategory->getKey()]);
 
+        $audit = $article->audits()->where('event', 'sync')->latest()->first();
         $no_of_audits_after = Audit::where('auditable_type', Article::class)->count();
         $categoryAfter = $article->categories()->first()->getKey();
 
@@ -627,6 +628,38 @@ public function itWillAuditSync()
         $this->assertSame($secondCategory->getKey(), $categoryAfter);
         $this->assertNotSame($categoryBefore, $categoryAfter);
         $this->assertGreaterThan($no_of_audits_before, $no_of_audits_after);
+        $this->assertCount(1, $audit->old_values['categories']);
+        $this->assertCount(1, $audit->new_values['categories']);
+    }
+
+    /**
+     * @test
+     * @return void
+     */
+    public function itWillAuditSyncAddAndRemove()
+    {
+        $firstCategory = factory(Category::class)->create();
+        $secondCategory = factory(Category::class)->create();
+        $thirdCategory = factory(Category::class)->create();
+        $article = factory(Article::class)->create();
+
+        $article->categories()->attach([$firstCategory->getKey(), $secondCategory->getKey()]);
+
+        $no_of_audits_before = Audit::where('auditable_type', Article::class)->count();
+
+        $article->auditSync('categories', [$secondCategory->getKey(), $thirdCategory->getKey()]);
+
+        $audit = $article->audits()->where('event', 'sync')->latest()->first();
+        $no_of_audits_after = Audit::where('auditable_type', Article::class)->count();
+
+        $attachedCategories = $article->categories()->pluck('id')->toArray();
+
+        $this->assertNotContains($firstCategory->getKey(), $attachedCategories);
+        $this->assertContains($secondCategory->getKey(), $attachedCategories);
+        $this->assertContains($thirdCategory->getKey(), $attachedCategories);
+        $this->assertGreaterThan($no_of_audits_before, $no_of_audits_after);
+        $this->assertCount(1, $audit->old_values['categories']);
+        $this->assertCount(2, $audit->new_values['categories']);
     }
 
     /**