test: fix test/pummel/test-fs-largefile.js
test-fs-largefile.js calls fs.close()
without a callback which results
in an error as of Node.js 10.0.0. Add a common.mustCall()
callback so
the test passes again.
Checklist
-
make -j4 test
(UNIX), orvcbuild test
(Windows) passes -
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