assertEquals( 10, h.suggested() ); // avg(10, 10, 10, 10, 10) == 10
h.tickle();
assertEquals( 8, h.suggested() ); // avg(2, 10, 10, 10, 10) == 8
h.tickle();
assertEquals( 6, h.suggested() ); // avg(2, 2, 10, 10, 10) == 6
h.tickle();
assertEquals( 5, h.suggested() ); // avg(2, 2, 2, 10, 10) == 5
h.tickle();
assertEquals( 3, h.suggested() ); // avg(2, 2, 2, 2, 10) == 3
h.tickle();
assertEquals( 2, h.suggested() ); // avg(2, 2, 2, 2, 2) == 2