ansible-lint: Fix yaml[octal-values] failures

Signed-off-by: Wen Liang <liangwen12year@gmail.com>

tests/playbooks/tests_802_1x.yml

@@ -55,7 +55,7 @@
           copy:
             src: cacert.pem
             dest: /etc/pki/ca-trust/source/anchors/cacert.pem
-            mode: 0644
+            mode: "0644"
         - name: Update ca trust
           command: update-ca-trust
           changed_when: false

tests/playbooks/tests_wireless.yml

@@ -12,7 +12,7 @@
       copy:
         src: "{{ item }}"
         dest: "/etc/pki/tls/{{ item }}"
-        mode: 0644
+        mode: "0644"
       with_items:
         - client.key
         - client.pem

tests/tasks/setup_802.1x.yml

@@ -3,7 +3,7 @@
   copy:
     src: "{{ item }}"
     dest: "/etc/pki/tls/{{ item }}"
-    mode: 0644
+    mode: "0644"
   with_items:
     - client.key
     - client.key.nocrypt

tests/tasks/test_802.1x_capath.yml

@@ -23,12 +23,12 @@
   file:
     path: "/etc/pki/tls/my_ca_certs"
     state: directory
-    mode: 0755
+    mode: "0755"
 - name: Copy cacert to ca_path
   copy:
     src: "cacert.pem"
     dest: "/etc/pki/tls/my_ca_certs/cacert.pem"
-    mode: 0644
+    mode: "0644"
 - name: Install openssl (test dependency)
   package:
     name: openssl