public async void SendCommand() { var deviceId = fixture.Create <string>(); var commandName = fixture.Create <string>(); var parameters = fixture.Create <IDictionary <string, string> >(); deviceLogic.Setup(mock => mock.SendCommandAsync(deviceId, commandName, parameters)) .Returns(Task.FromResult(true)); var res = await deviceApiController.SendCommand(deviceId, commandName, parameters); res.AssertOnError(); var data = res.ExtractContentDataAs <bool>(); Assert.True(data); }