Test for testing parsing multiple Tag attributes

MultipleTagAttributesTest.cs

[Test]
public void MultipleTagAttributesAreParsed()
{
  var input = @"TYPE=AUDIO,GROUP-ID=""audio"",NAME=""audio"",DEFAULT=YES";
  List<PlaylistTagAttribute> tagAttributes = 
    PlaylistGrammar.MultipleTagAttributesParser.Parse(input);
  Assert.That(tagAttributes.Count, Is.EqualTo(4));
  Assert.AreEqual("TYPE", tagAttributes[0].Key);
  Assert.AreEqual("AUDIO", tagAttributes[0].Value);
  Assert.AreEqual("GROUP-ID", tagAttributes[1].Key);
  Assert.AreEqual("audio", tagAttributes[1].Value);
  Assert.AreEqual("NAME", tagAttributes[2].Key);
  Assert.AreEqual("audio", tagAttributes[2].Value);
  Assert.AreEqual("DEFAULT", tagAttributes[3].Key);
  Assert.AreEqual("YES", tagAttributes[3].Value);
}