---
- hosts: all
  remote_user: username

  tasks:
  - name: Altering the Mount Points
    mount:
      path: /testing
      src: /dev/sdb
      state: unmounted
    become: true

#My Test disk
/dev/sdb /testing ext3 defaults 0 0

#My Test disk

 ¯_(ツ)_/¯ Nothing here

[root@app-test ~]# ll /testing
ls: cannot access /testing: No such file or directory