community.general/test/integration/roles/test_mysql_user/tasks/create_user.yml

# test code to create mysql user 
# (c) 2014,  Wayne Rosario <wrosario@ansible.com>

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# ============================================================
- name: create mysql user {{user_name}}
  mysql_user: name={{user_name}} password={{user_password}} state=present
  register: result

- name: assert output message mysql user was created
  assert: { that: "result.changed == true" }