role dependency issue

master.yml

#./master.yml
---
- hosts: all
  roles:
    - { role: monitored }


#./roles/monitored/meta/main.yml
---
dependencies:
  - { role: 'common' }


#./roles/monitored/tasks/main.yml
---
- name: monitored | stub test
  shell: echo "monitored stubb"

#./roles/common/tasks/main.yml
---
- name: common | stub test
  shell: echo "common stubb"

# modified master.yml minimally:

---
- hosts: localhost
  gather_facts: false
  connection: local
  roles:
    - { role: monitored }


$ ansible-playbook master.yml 

PLAY [localhost] ************************************************************** 

TASK: [common | stub test] **************************************************** 
changed: [127.0.0.1]

TASK: [monitored | stub test] ************************************************* 
changed: [127.0.0.1]

PLAY RECAP ******************************************************************** 
127.0.0.1                  : ok=2    changed=2    unreachable=0    failed=0