test: fix test-https-ci-reneg-attack
Refs: https://github.com/nodejs/node/pull/25381#issuecomment-457067137
First commit is just https://github.com/nodejs/node/pull/25660. Once that and this land, then pummel tests should be working again. Please
Checklist
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make -j4 test
(UNIX), orvcbuild test
(Windows) passes -
commit message follows commit guidelines