Write additional fault injection tests for QUIC server

[nhorman]

Write additional fault injection tests to cover QUIC server functionality

We should, during refinement, potentially break this into several subtasks, to increase parallelism

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1. Identify the test cases that need to be written to cover QUIC server (timeboxed 1 sprint) #726
   Spike +1
   

[nhorman]

currently, we have the following tests for quic:

• quic_wire_test
• quic_txp_test
• quic_txpim_test
• quic_stream_test
• quic_srtm_test
• quic_srt_gen_test
• quic_record_test
• quic_rcidm_test
• quic_qlog_test
• quic_newcid_test
• quic_multistream_test
• quic_lcidm_test
• quic_fifd_test
• quic_fc_test
• quicfaulttest
• quic_cfq_test
• quic_cc_test
• quicapitest
• quic_ackm_test
• buildtest_c_quic
• quic_client_test
• quic_tserver_test

Within that list, all but the last 2 item test code that is common to both client and server code, so our coverage is reasonably good in terms of unit testing
the quic_tserver_test creates a 'dummy' server using internal api calls, so doesn't really address our server testing goals I think.

If our goal is to exercise our quic client and quic server in what might approximate 'real world' usage, I would suggest the best approach is to augment our quic interop testing such that we:

• create an hq-interop-server (a companion to our quic-hq-interop client in the demos/guide directory
• augment our interop container in tests/quic-openssl-docker, to run the server as part of our interop ci.