test: http2 util passing array in te header
This adds a test case in which array with two values is passed to param value in isIllegalConnectionSpecificHeader: https://github.com/nodejs/node/blob/212de3c5ec429a580d2e79ce3c2516b93b52b8f5/lib/internal/http2/util.js#L363
Refs: https://github.com/nodejs/node/issues/14985
Checklist
-
make -j4 test
(UNIX), orvcbuild test
(Windows) passes -
tests and/or benchmarks are included -
commit message follows commit guidelines
Affected core subsystem(s)
test, http2