Update test

src/files.rs

@@ -73,6 +73,7 @@ impl Iterator for FileIter {
 
 #[cfg(test)]
 mod test {
+    use std::path::PathBuf;
     use super::{from_path, File};
 
     #[test]
@@ -120,10 +121,10 @@ mod test {
     #[test]
     fn from_path_returns_iterator_over_files_in_the_given_path() {
         let want = vec![
-            File::new("./testdata/en/hello.txt", 6),
-            File::new("./testdata/en/world.txt", 7),
-            File::new("./testdata/es/hola.txt", 5),
-            File::new("./testdata/es/mundo.txt", 6),
+            File::new(PathBuf::from("./testdata/en/hello.txt"), 6),
+            File::new(PathBuf::from("./testdata/en/world.txt"), 7),
+            File::new(PathBuf::from("./testdata/es/hola.txt"), 5),
+            File::new(PathBuf::from("./testdata/es/mundo.txt"), 6),
         ];
         let mut got = from_path("./testdata").unwrap().collect::<Vec<_>>();
         // Sort by path for consistent ordering.