fix: add cfg(unix) to check_date, format Cargo.toml files

src/uu/date/Cargo.toml

@@ -20,7 +20,12 @@ path = "src/date.rs"
 
 [features]
 default = ["i18n-datetime"]
-i18n-datetime = ["uucore/i18n-datetime", "dep:icu_calendar", "dep:icu_locale", "dep:jiff-icu"]
+i18n-datetime = [
+  "uucore/i18n-datetime",
+  "dep:icu_calendar",
+  "dep:icu_locale",
+  "dep:jiff-icu",
+]
 
 [dependencies]
 clap = { workspace = true }

src/uucore/Cargo.toml

@@ -154,7 +154,13 @@ i18n-all = ["i18n-collator", "i18n-decimal", "i18n-datetime"]
 i18n-common = ["icu_locale"]
 i18n-collator = ["i18n-common", "icu_collator"]
 i18n-decimal = ["i18n-common", "icu_decimal", "icu_provider"]
-i18n-datetime = ["i18n-common", "icu_calendar", "icu_datetime", "jiff-icu", "jiff"]
+i18n-datetime = [
+  "i18n-common",
+  "icu_calendar",
+  "icu_datetime",
+  "jiff-icu",
+  "jiff",
+]
 mode = ["libc"]
 perms = ["entries", "libc", "walkdir"]
 buf-copy = []

tests/by-util/test_date.rs

@@ -1867,6 +1867,7 @@ fn test_date_thai_locale_solar_calendar() {
     assert!(rfc_output.starts_with(&current_year.to_string()));
 }
 
+#[cfg(unix)]
 fn check_date(locale: &str, date: &str, fmt: &str, expected: &str) {
     let actual = new_ucmd!()
         .env("LC_ALL", locale)