message: Fix task_max_request test.
diff: @@ -9,9 +9,9 @@ require __DIR__ . '/../include/bootstrap.php';
  const N = 4000;
  -$counter1 = new swoole_atomic();
  -$counter2 = new swoole_atomic();
  -$counter3 = new swoole_atomic();
  +$counter1 = new swoole_atomic(); // onTask
  +$counter2 = new swoole_atomic(); // onFinish
  +$counter3 = new swoole_atomic(); // task num
  swoole_unittest_fork(function() {
  @@ -63,6 +63,6 @@ swoole_unittest_fork(function() {
  swoole_unittest_wait();
  assert($counter1->get() == 4000);
  assert($counter2->get() == 4000);
  -assert($counter2->get() > 15);
  +assert($counter3->get() > 15);
  ?>
  --EXPECT--
  