Assert the mock has been awaited with the specified calls.
The :attr:`await_args_list` list is checked for the awaits.
If `any_order` is False (the default) then the awaits must be
sequential. There can be extra calls before or after the
specified awaits.
If `any_order` is True then the awaits can be in any order, but
they must all appear in :attr:`await_args_list`.