use a DeploymentItem attribute
using System;
using System.IO;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using CarMaker;
namespace DeploymentTest
{
[TestClass]
public class UnitTest1
{
[TestMethod()]
[DeploymentItem("testFile1.xml")]
public void ConstructorTest()
{
string file = "testFile1.xml";
Assert.IsTrue(File.Exists(file), "deployment failed: " + file +
" did not get deployed");
}
}
}