public void Surprise_garden()
{
var garden = new Garden(new [] { "Samantha", "Patricia", "Xander", "Roger" }, "VCRRGVRG\nRVGCCGCV");
Assert.That(garden.GetPlantsForStudent("Patricia"), Is.EqualTo(new[] { Plant.Violets, Plant.Clover, Plant.Radishes, Plant.Violets }));
Assert.That(garden.GetPlantsForStudent("Roger"), Is.EqualTo(new[] { Plant.Radishes, Plant.Radishes, Plant.Grass, Plant.Clover }));
Assert.That(garden.GetPlantsForStudent("Samantha"), Is.EqualTo(new[] { Plant.Grass, Plant.Violets, Plant.Clover, Plant.Grass }));
Assert.That(garden.GetPlantsForStudent("Xander"), Is.EqualTo(new[] { Plant.Radishes, Plant.Grass, Plant.Clover, Plant.Violets }));
}