test: fix fs test-fs-utimes strictEqual arg order

`actual` is the first argument, `expected` the second, but the test
flipped them around and was producing confusing assertion messages
as a result.

Refs: https://github.com/nodejs/node/pull/32408#issuecomment-602170887

PR-URL: https://github.com/nodejs/node/pull/32420


Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>