test fix for connection context

hetzner/autoinstall/tasks/unlock.yml

@@ -11,16 +11,16 @@
   delegate_to: localhost
 
 - name: test ssh connection with {{ ansible_user }}
-  shell: |
-    ssh -p{{ ansible_ssh_port|default(22) }} \
-      -i {{ ansible_ssh_private_key_file }} \
-      -oStrictHostkeyChecking=no \
-      -oBatchMode=yes \
-      {{ ansible_user }}@{{ ansible_ssh_host }} echo test
+  local_action:
+    module: shell
+    command: |
+      ssh -p{{ ansible_ssh_port|default(22) }} \
+        -i {{ ansible_ssh_private_key_file }} \
+        -oStrictHostkeyChecking=no \
+        -oBatchMode=yes \
+        {{ ansible_user }}@{{ ansible_ssh_host }} echo test
   register: connection_test
   ignore_errors: yes
-  delegate_to: localhost
-  delegate_facts: yes
 
 - name: set ansible_user
   set_fact: