public void AddSubCategoryTest()
{
Category parentCategory = dataService.FindMany(c => c.ParentCategoryId == null).OrderBy(c => Guid.NewGuid()).FirstOrDefault();
Category newEntity = new Category();
newEntity.Name = "Kategori {0}".FormatWith(GetRandom());
newEntity.IsActive = true;
newEntity.Description = GetRandomString(10);
newEntity.ParentCategory = parentCategory;
dataService.Insert(newEntity);
dataService.Save();
Assert.AreNotEqual(Guid.Empty, newEntity.CategoryId);
}
