public void CanSupportNullVersion()
        {
            var cred   = new OpenStackCredential(new Uri("http://someplace.org"), "someuser", "password", "sometenant");
            var client = new OpenStackClient();

            Assert.IsTrue(client.IsSupported(cred, null));
        }
        public void CannotSupportNullCredential()
        {
            var client = new OpenStackClient();

            Assert.IsFalse(client.IsSupported(null, string.Empty));
        }