SyncHttpHandler_HttpClientHandler_Cancellation_Test.Expect100Continue_WaitsExpectedPeriodOfTimeBeforeSendingContent outerloop fail

[ManickaP]

Multiple occurrences in #41022
https://dev.azure.com/dnceng/public/_build/results?buildId=792342&view=results

console.log

Error:

Assert.InRange() Failure\r\nRange:  (00:00:02.5000000 - 00:01:00)\r\nActual: 00:01:08.0832801
   at System.Net.Http.Functional.Tests.HttpClientHandler_Http11_Cancellation_Test.<Expect100Continue_WaitsExpectedPeriodOfTimeBeforeSendingContent>b__2_0(Uri uri) in /_/src/libraries/System.Net.Http/tests/FunctionalTests/HttpClientHandlerTest.Cancellation.cs:line 67
   at System.Threading.Tasks.TaskTimeoutExtensions.WhenAllOrAnyFailed(Task[] tasks) in /_/src/libraries/Common/tests/System/Threading/Tasks/TaskTimeoutExtensions.cs:line 96
   at System.Threading.Tasks.TaskTimeoutExtensions.WhenAllOrAnyFailed(Task[] tasks) in /_/src/libraries/Common/tests/System/Threading/Tasks/TaskTimeoutExtensions.cs:line 124
   at System.Net.Test.Common.LoopbackServer.<>c__DisplayClass13_0.<<CreateClientAndServerAsync>b__0>d.MoveNext() in /_/src/libraries/Common/tests/System/Net/Http/LoopbackServer.cs:line 87
--- End of stack trace from previous location ---
   at System.Net.Test.Common.LoopbackServer.CreateServerAsync(Func`2 funcAsync, Options options) in /_/src/libraries/Common/tests/System/Net/Http/LoopbackServer.cs:line 71
   at System.Net.Http.Functional.Tests.HttpClientHandler_Http11_Cancellation_Test.Expect100Continue_WaitsExpectedPeriodOfTimeBeforeSendingContent() in /_/src/libraries/System.Net.Http/tests/FunctionalTests/HttpClientHandlerTest.Cancellation.cs:line 50
--- End of stack trace from previous location ---

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