templates: Allow execution of plugins in an IPA client host.

Modify templates to create the basic tests for `ipaapi_context: client`.

utils/templates/test_module.yml.in

@@ -1,7 +1,10 @@
 ---
 - name: Test $name
-  hosts: ipaserver
+  hosts: "{{ ipa_test_host | default('ipaserver') }}"
+  # Change "become" or "gather_facts" to "yes",
+  # if you test playbook requires any.
   become: no
+  gather_facts: no
 
   tasks:
 
@@ -10,6 +13,7 @@
   - name: Ensure $name NAME is absent
     ipa$name:
       ipaadmin_password: SomeADMINpassword
+      ipaapi_context: "{{ ipa_context | default(omit) }}"
       name: NAME
       state: absent
 
@@ -28,6 +32,7 @@
   - name: Ensure $name NAME is present again
     ipa$name:
       ipaadmin_password: SomeADMINpassword
+      ipaapi_context: "{{ ipa_context | default(omit) }}"
       name: NAME
       # Add needed parameters here
     register: result
@@ -38,6 +43,7 @@
   - name: Ensure $name NAME is absent
     ipa$name:
       ipaadmin_password: SomeADMINpassword
+      ipaapi_context: "{{ ipa_context | default(omit) }}"
       name: NAME
       state: absent
     register: result
@@ -46,6 +52,7 @@
   - name: Ensure $name NAME is absent again
     ipa$name:
       ipaadmin_password: SomeADMINpassword
+      ipaapi_context: "{{ ipa_context | default(omit) }}"
       name: NAME
       state: absent
     register: result