Fix verbosity for var_templating test (#70943)

* Fix verbosity for var_templating test

Display the subtests

* fix specificity and set ANSIBLE_BECOME_ALLOW_SAME_USER

Co-authored-by: Matt Martz <matt@sivel.net>

Co-authored-by: Matt Martz <matt@sivel.net>

test/integration/targets/var_templating/runme.sh

@@ -14,4 +14,5 @@ ansible-playbook undall.yml -i inventory -v "$@"
 # test hostvars templating
 ansible-playbook task_vars_templating.yml -v "$@"
 
-ansible-playbook test_connection_vars.yml -v "$@" 2>&1 | grep 'sudo'
+# there should be an attempt to use 'sudo' in the connection debug output
+ANSIBLE_BECOME_ALLOW_SAME_USER=true ansible-playbook test_connection_vars.yml -vvvv "$@" | tee /dev/stderr | grep 'sudo \-H \-S'