Line up altdisplay expected strings on one line Rustfmt does not like how these were previously formatted and insisted on doing: const EXPECTED_ALTDISPLAY_G: &str = "\ f failed: oh no!\ "; which is worse.

Created by  David Tolnay  on November 16, 2019
VUT46PS5PSLME62K77EDYTU5GDEHR6ZR4FICJRX7KMK5LRTJ4LRAC
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