Remove second idempotence test, fix follow-up to #115.

.travis.yml

@@ -43,9 +43,6 @@ script:
   # Test role.
   - 'sudo docker exec --tty "$(cat ${container_id})" env TERM=xterm ansible-playbook /etc/ansible/roles/role_under_test/tests/${playbook}'
 
-  # Test role again.
-  - 'sudo docker exec --tty "$(cat ${container_id})" env TERM=xterm ansible-playbook /etc/ansible/roles/role_under_test/tests/${playbook}'
-
   # Test role idempotence.
   - >
     sudo docker exec "$(cat ${container_id})" ansible-playbook /etc/ansible/roles/role_under_test/tests/${playbook}

tasks/configure.yml

@@ -39,7 +39,7 @@
     state: file
     owner: mysql
     group: mysql
-    mode: 0644
+    mode: 0640
   when: mysql_slow_query_log_enabled
 
 - name: Create error log file (if configured).
@@ -52,7 +52,7 @@
     state: file
     owner: mysql
     group: mysql
-    mode: 0644
+    mode: 0640
   when: mysql_log == "" and mysql_log_error != ""
 
 - name: Ensure MySQL is started and enabled on boot.