Function test_stick_on_main_nested

test/exec/test_task.cpp:214–223

  }

  auto test_stick_on_main_nested(ex::scheduler auto sched1,
                                 ex::scheduler auto,
                                 auto                  id_main_thread,
                                 [[maybe_unused]] auto id1,
                                 [[maybe_unused]] auto id2) -> exec::task<void>
  {
    CHECK(get_id() == id_main_thread);
    co_await ex::schedule(sched1);
    CHECK(get_id() == id_main_thread);
  }

  auto test_stick_on_main(ex::scheduler auto    sched1,
                          ex::scheduler auto    sched2,