private void InitMockMembershipProvider()
        {
            //Little reflection to assure that the Membership.Providers can be modified
            var provider = new MockMembershipProvider();

            provider.Initialize("MockMembershipProvider", null);
            typeof(ProviderCollection).GetField("_ReadOnly", BindingFlags.Instance | BindingFlags.NonPublic).SetValue(Membership.Providers, false);
            Membership.Providers.Clear();
            Membership.Providers.Add(provider);
        }