public void MusicSelection_MethodSetPerformanceNotes_FieldPerformanceNotesSetCorrectly()
{
//Arrange
Contributor composer = new Contributor(new Name("David", "", "Haas"), "Composer");
MusicSelectionMock myMusicSelection =
new MusicSelectionMock("9999991e810c19729de860ea", "507f191e810c19729de860ea", "Blest Are They", composer);
//Act
myMusicSelection.setPerformanceNotes("Here are some nice performance notes.");
//Assert
Assert.AreEqual("Here are some nice performance notes.", myMusicSelection.PerformanceNotes);
}