read disk works

src/drivers/drv_disk.rs

@@ -52,7 +52,7 @@ mod test {
     }
 
     #[test]
-    fn test_read_write_disk() {
+    fn test_read_write_drv_disk() {
         let disk = Disk::init_disk();
         let mut drv_disk = DrvDisk::init_drv_disk(disk);