Disable parallel processing for the Ordered mode for the
test_storage_s3_queue/test.py::test_multiple_tables_streaming_sync_distributed
test.
The reason for this is that the load between the processing nodes is
too uneven when s3queue_processing_threads_num != 1,
e.g.:
```
$ grep res1 pytest.log
2024-08-07 07:15:58 [ 575 ] DEBUG : res1 size: 13300, res2 size: 1700, total_rows: 15000 (test.py:813, test_multiple_tables_streaming_sync_distributed)
```
In CIs environment, there are rare cases when one of the processors handles all the workload,
while the other is busy-waiting, and the test fails on assert:
When s3queue_processing_threads_num == 1, the workload is evenly
distributed:
```
$ grep res1 pytest.log
2024-08-07 07:26:52 [ 586 ] DEBUG : res1 size: 7200, res2 size: 7800, total_rows: 15000 (test.py:813, test_multiple_tables_streaming_sync_distributed)
```
This change only fixes test flakiness. Further investigation of the Order
mode parallelism is required.
- Increase from 10s to 20s the max_age. Removes flakiness due to
the files in minio still present in following execution, even
if the cleanup stage of the test is clearly removing them.
- Use a busy-loop to check conditions directly, removing the
unnecessary sleep.
- Create wait_for_condition that checks greedily for a period of time
- Remove redundant checks
- Allow other tests running in parallel to have `ObjectStorageQueueFailedFiles` errors
