public void ReturnsFalseWhenAuthenicationTypeIsAnonymous()
{
var connection = Substitute.For<IConnection>();
connection.Credentials=Credentials.Anonymous;
var gitHubClient = Substitute.For<IGitHubClient>();
gitHubClient.Connection.Returns(connection);
var client = new SimpleApiClient(
"https://github.com/github/visualstudio",
gitHubClient,
null,
null);
var result = client.IsAuthenticated();
Assert.False(result);
}