Revert "setup_test_with_clean_mit() 会清理文件"

This reverts commit 13aa7452de.

src/store.rs

@@ -71,6 +71,7 @@ impl Store {
         let mut path = self.store_path.clone();
         path.push("objects");
         path.push(&hash);
+        println!("Saved to: [{}]", path.display());
         match std::fs::write(path, content) {
             Ok(_) => hash,
             Err(_) => panic!("储存库疑似损坏，无法写入文件"),

src/utils/util.rs

@@ -52,9 +52,6 @@ pub fn setup_test_with_mit() {
 pub fn setup_test_with_clean_mit() {
     setup_test_without_mit();
     let _ = crate::commands::init::init();
-    list_workdir_files().iter().for_each(|path| {
-        fs::remove_file(path).unwrap();
-    });
 }
 
 pub fn setup_test_without_mit() {
@@ -80,13 +77,6 @@ pub fn ensure_test_file(path: &Path, content: option::Option<&str>) {
     }
 }
 
-pub fn ensure_no_file(path: &Path) {
-    // 以测试目录为根目录，删除文件
-    if path.exists() {
-        fs::remove_file(get_working_dir().unwrap().join(path)).unwrap();
-    }
-}
-
 /* tools for mit */
 pub fn calc_hash(data: &String) -> String {
     let mut hasher = Sha1::new();