R2 is flaky in behavior test: list_test_list_rich_dir

[Xuanwo]

failures:
    services_s3::list_test_list_rich_dir

test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 1903 filtered out; finished in 3.26s


--- STDERR:              opendal::behavior services_s3::list_test_list_rich_dir ---
thread 'services_s3::list_test_list_rich_dir' panicked at 'create must succeed: Unexpected (permanent) at Writer::write => S3Error { code: "Unexpected", message: "Client Disconnect", resource: "", request_id: "" }

Context:
    response: Parts { status: 499, version: HTTP/1.1, headers: {"date": "Mon, 12 Jun 2023 11:07:30 GMT", "content-type": "application/xml", "content-length": "112", "connection": "keep-alive", "server": "cloudflare", "cf-ray": "7d61a16dced257cd-IAD"} }
    service: s3
    path: test_list_rich_dir/file-241
', core/tests/behavior/list.rs:136:18

Failed at

2023-06-12T11:07:32.3216736Z   2023-06-12T11:07:30.928254Z ERROR opendal::services: service=s3 operation=Writer::write path=test_list_rich_dir/file-241 written=0 -> data write failed: Unexpected (permanent) at Writer::write => S3Error { code: "Unexpected", message: "Client Disconnect", resource: "", request_id: "" }
2023-06-12T11:07:32.3216796Z 
2023-06-12T11:07:32.3216889Z Context:
2023-06-12T11:07:32.3217540Z     response: Parts { status: 499, version: HTTP/1.1, headers: {"date": "Mon, 12 Jun 2023 11:07:30 GMT", "content-type": "application/xml", "content-length": "112", "connection": "keep-alive", "server": "cloudflare", "cf-ray": "7d61a16dced257cd-IAD"} }
2023-06-12T11:07:32.3217641Z     service: s3
2023-06-12T11:07:32.3217821Z     path: test_list_rich_dir/file-241
2023-06-12T11:07:32.3217828Z 
2023-06-12T11:07:32.3217954Z     at core/src/layers/logging.rs:1331

[Xuanwo]

Seems we should retry 499 error