public async Task Greet_Name_Greeting(string name, string expected)
{
// Arrange
var httpResponseMessage = new HttpResponseMessage {
StatusCode = HttpStatusCode.OK, Content = new StringContent(expected)
};
var httpRequestMessage = new HttpRequestMessage();
_httpMessageHandler.WhenForAnyArgs(x => x.Send(httpRequestMessage)).DoNotCallBase();
_httpMessageHandler.Send(httpRequestMessage).ReturnsForAnyArgs(httpResponseMessage);
// Act
IActionResult result = await _helloController.Greet(name).ConfigureAwait(false);
// Assert
Assert.IsType <OkObjectResult>(result);
var okResult = (OkObjectResult)result;
var actual = okResult.Value as string;
Assert.Equal(expected, actual);
}