title: ansible roles does not run the main playbook
body: <p>site.yml</p>
  
  <pre><code>  name: setup basic packages
    hosts: all
    user: root
  
    roles:test
  </code></pre>
  
  <p>./test/tasks/main.yml</p>
  
  <pre><code>  name: this is a loose task
    shell: echo 'this is a loose task'
  </code></pre>
  
  <p>Any help is appreciated</p>