---
- name: Verify
  hosts: all
  become: yes
  gather_facts: no

  tasks:
    - name: check that bogus options are in
      ansible.builtin.command:
        cmd: grep 'a=1' /etc/default/grub

    - name: check that selected option is in
      ansible.builtin.command:
        cmd: grep 'cgroup_enable=memory' /etc/default/grub