Test failure: System.Net.Sockets.Tests.SendFileTest / SendFile_APM

[karelz]

Type of failures

WhenAllOrAnyFailed timed out after 30000

Failure 20171213.05:

System.TimeoutException : WhenAllOrAnyFailed timed out after 30000
   at System.Threading.Tasks.TaskTimeoutExtensions.<WhenAllOrAnyFailed>d__2.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Net.Sockets.Tests.SendFileTest.<SendFile_APM>d__7.MoveNext() in E:\A\_work\1400\s\corefx\src\System.Net.Sockets\tests\FunctionalTests\SendFile.cs:line 234
--- End of stack trace from previous location where exception was thrown ---
--- End of stack trace from previous location where exception was thrown ---
--- End of stack trace from previous location where exception was thrown ---

Neither client nor server task completed within allowed time

Before SendFile_APM test change in dotnet/corefx@779171f#diff-479492e701f07787f80f44f18ef076f8 on 2017/11/21

Failures 20171022.02:

Neither client nor server task completed within allowed time
Expected: True
Actual:   False
   at System.Net.Sockets.Tests.SendFileTest.SendFile_APM(IPAddress listenAt, Boolean sendPreAndPostBuffers, Int32 bytesToSend) in /root/corefx-1079212/src/System.Net.Sockets/tests/FunctionalTests/SendFile.cs:line 233

History of failures

Day	Build	OS	Error message
7/11	20170711.04	OSX10.13	Neither client nor server task completed within allowed time
9/4	20170904.01	OSX10.12	Neither client nor server task completed within allowed time
10/22	20171022.02	RedHat69	Neither client nor server task completed within allowed time - link
11/21	N/A	N/A	Assert changed into TimeoutException in dotnet/corefx@779171f#diff-479492e701f07787f80f44f18ef076f8
12/1	20171201.03	Win7	WhenAllOrAnyFailed timed out after 30000
12/8	20171208.01	Win8.1	WhenAllOrAnyFailed timed out after 30000
12/10	20171210.03	Win8.1	WhenAllOrAnyFailed timed out after 30000
12/12	20171212.03	Win10	WhenAllOrAnyFailed timed out after 30000
12/13	20171213.05	Win7	WhenAllOrAnyFailed timed out after 30000 - link
12/28	20171228.01	Win8.1	WhenAllOrAnyFailed timed out after 30000 - link
12/30	20171230.02	Win7	WhenAllOrAnyFailed timed out after 30000 - link
1/4	20180104.02	Win10	WhenAllOrAnyFailed timed out after 30000 - link
1/23	20180123.04	Win7	WhenAllOrAnyFailed timed out after 30000 - link
3/13	20180313.03	Win8.1	WhenAllOrAnyFailed timed out after 30000
3/16	20180316.01	Win7	WhenAllOrAnyFailed timed out after 30000
3/22	20180322.01	Win8.1	WhenAllOrAnyFailed timed out after 30000
3/22	20180322.06	Win10	WhenAllOrAnyFailed timed out after 30000

Timeout similar to #24444, started around same time. Sometimes correlated failures (12/28, 12/13).

[wfurt]

I found 4 failures in last 90 days. That can be considered as noice caused by CI environment.
Since this issue is super old, I'm going to close it.
If we see this test failing again, we should collect console.log and testResults.xml and we should start fresh issue.