public void RemovePolicyRuleShouldPassIfExistingScope()
        {
            XmlPolicyStore store = new XmlPolicyStore("My Xml Store Path", new MockXmlRepository(@"..\..\content\claimMappings-PassingTest4.xml"));

            Assert.AreEqual(1, store.RetrieveScopes().ElementAt(0).Rules.Count);

            var rule = store.RetrieveScopes().ElementAt(0).Rules.ElementAt(0);

            store.RemovePolicyRule(new Uri("http://localhost/1"), rule);

            Assert.AreEqual(0, store.RetrieveScopes().ElementAt(0).Rules.Count);
        }