reaname init_tmp_directory to create_temp_files_in_directory

Signed-off-by: Tarek <tareknaser360@gmail.com>

src/index.rs

@@ -1187,7 +1187,7 @@ mod tests {
         return rand_num;
     }
 
-    fn init_tmp_directory(root_path: PathBuf) {
+    fn create_temp_files_in_directory(root_path: PathBuf) {
         for i in 0..FILE_COUNT {
             let data_size: u64 = (i + 10).try_into().unwrap();
             let mut create_file_name = String::from(FILE_NAME);
@@ -1205,7 +1205,7 @@ mod tests {
     fn update_all_compare_track_one_methods() {
         run_test_and_clean_up(|path| {
             // Initial folders and files are created in this function.
-            init_tmp_directory(path.clone());
+            create_temp_files_in_directory(path.clone());
             let initial_index = ResourceIndex::build(path.clone());
             let mut index1 = initial_index.clone();
             let mut index2 = initial_index.clone();