[Bug 55195] New: wininet:http - test_http_connection() sometimes fails with a SENDING_REQUEST status on Windows

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=55195

Bug ID: 55195
           Summary: wininet:http - test_http_connection() sometimes fails
                    with a SENDING_REQUEST status on Windows
           Product: Wine
           Version: unspecified
          Hardware: x86-64
                OS: Windows
            Status: NEW
          Severity: normal
          Priority: P2
         Component: wininet
          Assignee: [e-mail]
          Reporter: [e-mail]

wininet:http - test_http_connection() sometimes fails with a SENDING_REQUEST
status on Windows:

http.c:4126: Testing reading compressed content from cache
http.c:376: Test failed: unexpected status 30 (INTERNET_STATUS_SENDING_REQUEST)
http.c:376: Test failed: unexpected status 31 (INTERNET_STATUS_REQUEST_SENT)
http.c:376: Test failed: unexpected status 40
(INTERNET_STATUS_RECEIVING_RESPONSE)
http.c:376: Test failed: unexpected status 41
(INTERNET_STATUS_RESPONSE_RECEIVED)
http.c:376: Test failed: unexpected status 50
(INTERNET_STATUS_CLOSING_CONNECTION)
http.c:376: Test failed: unexpected status 51
(INTERNET_STATUS_CONNECTION_CLOSED)
http.c:3665: Test failed: expected status 30 (INTERNET_STATUS_SENDING_REQUEST)
1 times, received 2 times
http.c:3666: Test failed: expected status 31 (INTERNET_STATUS_REQUEST_SENT) 1
times, received 2 times
http.c:3667: Test failed: expected status 40
(INTERNET_STATUS_RECEIVING_RESPONSE) 1 times, received 2 times
http.c:3668: Test failed: expected status 41
(INTERNET_STATUS_RESPONSE_RECEIVED) 1 times, received 2 times
http.c:5908: Testing InternetReadFileExW with IRF_ASYNC flag...

See https://test.winehq.org/data/patterns.html#wininet:http

Sometimes some of the 41, 50 and 51 status failures do not happen.

These failures go back to at least 2022-11-29 and have happened a bit over once
per month since, impacting all Windows versions. But there have been months
with no failure too, and lately it has mostly been happening on Windows 8:
* 2022-11-29 win22H2_fgtb-w10pro64-rx550-64
* 2023-03-10 win21H1_newtb-w10pro64-32
* 2023-03-20 win7_newtb-w7pro64-64
* 2023-03-28 win22H2_fgtb-w10pro64-32
* 2023-04-06 win7_newtb-w7u-pt-PT
* 2023-04-28 win21H1_newtb-w10pro64-ru-64
* 2023-05-22 win21H1_newtb-w10pro64-fr-64
* 2023-06-08 win81_newtb-w8adm
* 2023-07-04 win81_newtb-w864-64
* 2023-07-04 win81_newtb-w8