test: add mustcall and mustCallAtLeast in test-net-bytes-read.js
- add mustcall() on createServerListener
- add mustcall() on listenPortListener
- add mustCall() on onConnectListener
- add mustCallAtLeast() on onDataListener
Checklist
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make -j4 test
(UNIX), orvcbuild test
(Windows) passes -
tests and/or benchmarks are included -
documentation is changed or added -
commit message follows commit guidelines