public void Provera_ShowOptions_Ispravno()
{
Informer i = new Informer();
string teststring = string.Format("Please type in the number of the operation you would like to conduct:{0}" +
"1 - Write the usage of electric energy for certain region{0}" +
"2 - Print all the function calculations{0}" +
"IZADJI - Napustanje programa\r\n", Environment.NewLine);
var output = new StringWriter();
Console.SetOut(output);
i.ShowOptions();
Assert.That(output.ToString(), Is.EqualTo(teststring));
}