public void GetProductVendorString_MethodSyntaxTest() { using (ProductDataContext db = new ProductDataContext()) { List <Product> products = db.GetProducts(); List <ProductVendor> productVendors = db.GetProductVendors(); string result = products.GetProductVendorString_MethodSyntax(productVendors); string line = result.Substring(0, result.IndexOf('\n') - 1); Assert.AreEqual("Adjustable Race-Litware, Inc.", line); } }