test: increase coverage for internal/error_serdes.js
test serializeError with getter property
Refs: https://coverage.nodejs.org/coverage-73a21e4c06d5781d/lib/internal/error_serdes.js.html#L49
Checklist
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make -j4 test
(UNIX), orvcbuild test
(Windows) passes -
tests and/or benchmarks are included -
commit message follows commit guidelines