test: add tests for rs+, sr+ to test-fs-open-flags.js
Add the test of line 35, 36. https://github.com/nodejs/node/blob/master/lib/internal/fs.js#L35 https://github.com/nodejs/node/blob/master/lib/internal/fs.js#L36
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