test: add minimal test for net benchmarks
Currently, benchmark code is not exercised at all in CI. This adds a minimal test for net benchmarks. If this is deemed acceptable, similar minimal tests for other benchmarks can be written. Additionally, as issues and edge cases are uncovered, checks for them can be added.
/cc @Fishrock123 Is this kinda sorta what you had in mind?
Checklist
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make -j4 test
(UNIX), orvcbuild test
(Windows) passes -
tests and/or benchmarks are included -
commit message follows commit guidelines
Affected core subsystem(s)
test benchmark net