func (tsts authzTests) RunAll(t framework.TestContext) {
	t.Helper()

	firstTest := tsts[0]
	if len(tsts) == 1 {
		// Testing a single port. Just run a single test.
		testName := fmt.Sprintf("%s%s(%s)/%s", firstTest.prefix, firstTest.opts.HTTP.Path, firstTest.allow, firstTest.opts.Port.Name)
		t.NewSubTest(testName).Run(func(t framework.TestContext) {
			firstTest.BuildAndRun(t)
		})
		return
	}

	tsts.checkValid()

    public Comparator<? super K> comparator() {
      synchronized (mutex) {
        return delegate().comparator();
      }
    }

    @Override
    public K firstKey() {
      synchronized (mutex) {
        return delegate().firstKey();
      }
    }

    @Override
    public SortedMap<K, V> headMap(K toKey) {
      synchronized (mutex) {

    public Comparator<? super K> comparator() {
      synchronized (mutex) {
        return delegate().comparator();
      }
    }

    @Override
    public K firstKey() {
      synchronized (mutex) {
        return delegate().firstKey();
      }
    }

    @Override
    public SortedMap<K, V> headMap(K toKey) {
      synchronized (mutex) {

	if pending.Registers&new.Registers != pending.Registers {
		// There is at least one register in pending not mentioned in new.
		return false
	}
	return true
}

// firstReg returns the first register in set that is present.
func firstReg(set RegisterSet) uint8 {
	if set == 0 {
		// This is wrong, but there seem to be some situations where we
		// produce locations with no storage.
		return 0
	}

   */
  @Override
  public Comparator<? super K> comparator() {
    return keySet().comparator();
  }

  @Override
  public K firstKey() {
    return keySet().first();
  }

  @Override
  public K lastKey() {
    return keySet().last();
  }

  private ImmutableSortedMap<K, V> getSubMap(int fromIndex, int toIndex) {

   */
  @Override
  public Comparator<? super K> comparator() {
    return keySet().comparator();
  }

  @Override
  public K firstKey() {
    return keySet().first();
  }

  @Override
  public K lastKey() {
    return keySet().last();
  }

  private ImmutableSortedMap<K, V> getSubMap(int fromIndex, int toIndex) {