public void AddItemArea()
{
Project project = Project.Empty();
Assert.DoesNotThrow(() => project.AddItem(new Equipment("Area 1")));
}
public void AddItemWorkCentre()
{
Project project = Project.Empty();
Assert.DoesNotThrow(() => project.AddItem(new Equipment("WorkCentre")));
}
public void AddItemNull()
{
Project project = Project.Empty();
Assert.Throws <ArgumentNullException>(() => project.AddItem(null));
}