test: validate fs.rename() when NODE_TEST_DIR on separate mount
When testing fs.rename() of an non-existent file, use a destination path
which is in the same directory. Otherwise we might trigger an EXDEV
error if NODE_TEST_DIR is a separate device than the current working
directory.
Fixes: https://github.com/nodejs/node/issues/21669
Checklist
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make -j4 test
(UNIX), orvcbuild test
(Windows) passes -
tests and/or benchmarks are included -
commit message follows commit guidelines