public void Get_Returns_3_Songs()
{
//Arrange
var myCollection = new List <Song>()
{
new Song(1, "First Song", "3:12", "song.com", 1),
new Song(2, "Second Song", "3:12", "song.com", 1),
new Song(3, "Third Song", "3:12", "song.com", 1)
};
songRepo.GetAll().Returns(myCollection);
//Act
var result = underTest.GetSongs();
var countOfSongs = result.Count();
//Assert
Assert.Equal(3, countOfSongs);
}