Replace format! with translate! and test skip on Windows

Author: karanabe

src/uu/readlink/locales/en-US.ftl

@@ -14,3 +14,4 @@ readlink-help-zero = separate output with NUL rather than newline
 # Error messages
 readlink-error-missing-operand = missing operand
 readlink-error-ignoring-no-newline = ignoring --no-newline with multiple arguments
+readlink-error-invalid-argument = {$path}: Invalid argument

src/uu/readlink/locales/fr-FR.ftl

@@ -14,3 +14,4 @@ readlink-help-zero = séparer la sortie avec NUL plutôt qu'une nouvelle ligne
 # Messages d'erreur
 readlink-error-missing-operand = opérande manquant
 readlink-error-ignoring-no-newline = ignorer --no-newline avec plusieurs arguments
+readlink-error-invalid-argument = {$path} : argument non valide

src/uu/readlink/src/readlink.rs

@@ -95,7 +95,7 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
 
                 let path = p.to_string_lossy().into_owned();
                 let message = if err.raw_os_error() == Some(EINVAL) {
-                    format!("{path}: Invalid argument")
+                    translate!("readlink-error-invalid-argument", "path" => path.clone())
                 } else {
                     err.map_err_context(|| path.clone()).to_string()
                 };

tests/by-util/test_readlink.rs

@@ -103,6 +103,7 @@ fn test_symlink_to_itself_verbose() {
 }
 
 #[test]
+#[cfg(not(windows))]
 fn test_posixly_correct_regular_file() {
     let scene = TestScenario::new(util_name!());
     let at = &scene.fixtures;