@Test
  void pushAndPoll() {
    create(10);
    heap.push(9, 36L);
    heap.push(5, 23L);
    heap.push(3, 23L);
    assertEquals(3, heap.size());
    heap.poll();
    assertEquals(2, heap.size());
    heap.poll();
    heap.poll();
    assertTrue(heap.isEmpty());
  }
Ported from <a href=
"https://github.com/graphhopper/graphhopper/blob/master/core/src/test/java/com/graphhopper/coll/MinHeapWithUpdateTest.java">GraphHopper</a>
and modified to use long instead of float values, use stable random seed for reproducibility, and to use new
implementations.
planetiler-core/src/test/java/com/onthegomap/planetiler/collection/MinHeapTest.java