public static void FindServicePoint_Collectible()
{
string address = "http://" + Guid.NewGuid().ToString("N");
bool initial = GetExpect100Continue(address);
SetExpect100Continue(address, !initial);
GC.Collect();
GC.WaitForPendingFinalizers();
GC.Collect();
Assert.Equal(initial, GetExpect100Continue(address));
}