Fix final two test failures.

Author: geerlingguy

tests/https-self-signed.yml

@@ -1,13 +1,11 @@
 ---
 - hosts: all
 
-  vars:
-    # Added to prevent test failures in CI.
-    firewall_enable_ipv6: false
-
   tasks:
     - name: Ensure apt cache is updated.
       apt: update_cache=true cache_valid_time=600
 
 # HTTPS Self-Signed Certificate test.
 - import_playbook: ../https-self-signed/provisioning/main.yml
+  vars:
+    firewall_enable_ipv6: false

tests/jenkins.yml

@@ -11,3 +11,5 @@
 
 # Jenkins test.
 - import_playbook: ../jenkins/provision.yml
+  vars:
+    firewall_enable_ipv6: false