public async Task PutWithEmptyResult()
{
var settings = CreateServiceAgentSettings();
var serviceProvider = CreateServiceProvider(settings);
var agent = new TestAgent(serviceProvider, Options.Create(settings));
agent.HttpClient = CreateClient();
await agent.PutWithEmptyResultAsync(new TestModel { Name = "Name3", Number = 350 });
var sentData = await agent.GetPreviousDataAsync();
Assert.NotNull(sentData);
Assert.Equal("Name3", sentData.Name);
Assert.Equal(350, sentData.Number);
}