T17: a font saves, and a settings file starts, only when gpui loads it as the terminal draws it, so the terminal never falls back without a word; numbers save on Enter, on leaving the field and on each step; after a refused change a number field drops its draft and the font picker shows the saved family again

Cargo.toml

@@ -45,3 +45,7 @@ unexpected_cfgs = { level = "warn", check-cfg = ['cfg(feature, values("cargo-cli
 
 [lints.clippy]
 all = { level = "warn", priority = -1 }
+
+[[test]]
+name = "fonts"
+harness = false