public void TwoBuildServersAreEqualIfTheirUrlsAreTheSame()
        {
            BuildServer one        = new BuildServer("http://one");
            BuildServer anotherOne = new BuildServer("http://one");
            BuildServer two        = new BuildServer("http://two");

            Assert.AreEqual(one, one);
            Assert.AreEqual(one, anotherOne);
            Assert.AreEqual(anotherOne, one);
            Assert.IsFalse(one.Equals(two));
            Assert.IsFalse(two.Equals(one));
        }