Revert "inspector: rewrite inspector test helper"
This reverts commit 2296b677.
That commit was landed without a green CI and is failing on Windows.
Ref: https://github.com/nodejs/node/pull/14460
Checklist
-
make -j4 test
(UNIX), orvcbuild test
(Windows) passes -
commit message follows commit guidelines
Affected core subsystem(s)
test