public virtual void TestRRPolicyExceptionMessage()
        {
            RoundRobinVolumeChoosingPolicy <FsVolumeSpi> policy = new RoundRobinVolumeChoosingPolicy
                                                                  <FsVolumeSpi>();

            TestRRPolicyExceptionMessage(policy);
        }
        public virtual void TestRR()
        {
            RoundRobinVolumeChoosingPolicy <FsVolumeSpi> policy = ReflectionUtils.NewInstance <
                RoundRobinVolumeChoosingPolicy>(null);

            TestRR(policy);
        }