test: remove common.PORT from parallel tests
common.PORT
should not be used in parallel tests because another test
may experience a collision with common.PORT
when using port 0 to get
an open port. This has been observed to result in test failures in CI.
Checklist
-
make -j4 test
(UNIX), orvcbuild test
(Windows) passes -
commit message follows commit guidelines
Affected core subsystem(s)
test