public virtual void TestRemove_int()
{
var container = new ConformerContainer(confs);
container.Clear();
Assert.AreEqual(0, container.Count());
for (int i = 0; i < nconfs; i++)
{
container.Add(confs[i]);
}
Assert.AreEqual(nconfs, container.Count());
container.RemoveAt(0);
Assert.AreEqual(nconfs - 1, container.Count());
}