Format source codes and update tests

src/imports.rs

@@ -501,7 +501,8 @@ fn rewrite_use_list(
 fn move_self_to_front(items: &mut Vec<ListItem>) -> bool {
     match items
         .iter()
-        .position(|item| item.item.as_ref().map(|x| &x[..]) == Some("self")) {
+        .position(|item| item.item.as_ref().map(|x| &x[..]) == Some("self"))
+    {
         Some(pos) => {
             items[0] = items.remove(pos);
             true

tests/target/match.rs

@@ -390,7 +390,8 @@ fn issue1395() {
 fn issue1456() {
     Ok(Recording {
         artists: match reader
-            .evaluate(".//mb:recording/mb:artist-credit/mb:name-credit")? {
+            .evaluate(".//mb:recording/mb:artist-credit/mb:name-credit")?
+        {
             Nodeset(nodeset) => {
                 let res: Result<Vec<ArtistRef>, ReadError> = nodeset
                     .iter()