win, test: escape script filename on Windows
Escape backslashes in script filename on Windows in test-cli-eval.js
.
Fixes: https://github.com/nodejs/node/issues/16057 and https://github.com/nodejs/node/issues/16023
Checklist
-
make -j4 test
(UNIX), orvcbuild test
(Windows) passes -
commit message follows commit guidelines
Affected core subsystem(s)
test