[release/8.0-staging] make Http2_RequestFailsWithAppropriateHttpProtocolException test more deterministic - #119103

[release/8.0-staging] make Http2_RequestFailsWithAppropriateHttpProtocolException test more deterministic#119103

ManickaP merged 2 commits into

release/8.0-stagingdotnet/runtime:release/8.0-stagingfrom

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