fix ansible-lint issue with su

Author: richm

tests/tests_user_config.yml

@@ -51,7 +51,7 @@
         - name: Stat the .ssh dir
           become: true
           become_user: "{{ username }}"
-          become_method: su
+          become_method: ansible.builtin.su
           stat:
             path: "/home/{{ username }}/.ssh"
           register:
@@ -68,7 +68,7 @@
         - name: Make sure the file is readable by user
           become: true
           become_user: "{{ username }}"
-          become_method: su
+          become_method: ansible.builtin.su
           stat:
             path: "/home/{{ username }}/.ssh/config"
 
@@ -100,7 +100,7 @@
         - name: Test the effective configuration using ssh
           become: true
           become_user: "{{ username }}"
-          become_method: su
+          become_method: ansible.builtin.su
           command: ssh -vvv -G example
           register: effective
           when: