test,fs: test fs.watch for `filename`
Ref: https://github.com/nodejs/node/issues/13385 Ref: https://github.com/nodejs/node/issues/13248 Ref: https://github.com/nodejs/node/issues/13377
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,fs