test: add cluster inspector debug port test
Checklist
-
make -j8 test
(UNIX), orvcbuild test nosign
(Windows) passes -
tests and/or benchmarks are included -
commit message follows commit guidelines
Affected core subsystem(s)
test
Description of change
This commit adds a test for the debug port value in cluster workers using the inspector debugger.
Refs: https://github.com/nodejs/node/issues/8201 Refs: https://github.com/nodejs/node/pull/8386 Refs: https://github.com/nodejs/node/pull/8550