public void TestFindUsersInRoleWithNonRegex()
        {
            var membershipConfig = new NameValueCollection(_membershipConfig);
            var roleConfig = new NameValueCollection(_roleConfig);

            var membershipProvider = new MongoMembershipProvider();
            membershipProvider.Initialize(DefaultMembershipName, membershipConfig);

            var roleProvider = new MongoRoleProvider();
            roleProvider.Initialize(DefaultRoleName, roleConfig);

            MembershipCreateStatus status;
            membershipProvider.CreateUser("aaaa", "123456", "*****@*****.**", null, null, true, null, out status);
            membershipProvider.CreateUser("aabb", "123456", "*****@*****.**", null, null, true, null, out status);
            membershipProvider.CreateUser("bbaa", "123456", "*****@*****.**", null, null, true, null, out status);
            membershipProvider.CreateUser("aacc", "123456", "*****@*****.**", null, null, true, null, out status);

            roleProvider.CreateRole("role1");
            roleProvider.CreateRole("role2");

            roleProvider.AddUsersToRoles(new[] { "aaaa", "aabb", "bbaa" }, new[] { "role1" });
            roleProvider.AddUsersToRoles(new[] { "aacc" }, new[] { "role2" });

            var userNames = roleProvider.FindUsersInRole("role1", "aa");
            Assert.AreEqual(3, userNames.Length);
            Assert.Contains("aaaa", userNames);
            Assert.Contains("aabb", userNames);
            Assert.Contains("bbaa", userNames);
        }