async def test_to_list_operator(observable: Observable, event_loop):
result_box = []
disposable = observable.pipe(to_list()).subscribe(result_box.append,
loop=event_loop)
await disposable
async def test_piping(observable_12: Observable):
"""
ProxySubject instance by default just passes everything it gets further
so the result should be the same as without the pipe
"""
result_box = []
disposable = observable_12.pipe(ProxySubject()).subscribe(
result_box.append)
await disposable
assert result_box == [1, 2]