issue #477: clearing glibc caches is not possible on Py2.4.

tests/ansible/integration/glibc_caches/resolv_conf.yml

@@ -12,26 +12,38 @@
     - mitogen_test_gethostbyname:
         name: www.google.com
       register: out
-      when: ansible_virtualization_type == "docker"
+      when: |
+        ansible_virtualization_type == "docker" and
+        ansible_python_version > "2.5"
 
     - shell: cp /etc/resolv.conf /tmp/resolv.conf
-      when: ansible_virtualization_type == "docker"
+      when: |
+        ansible_virtualization_type == "docker" and
+        ansible_python_version > "2.5"
 
     - shell: echo > /etc/resolv.conf
-      when: ansible_virtualization_type == "docker"
+      when: |
+        ansible_virtualization_type == "docker" and
+        ansible_python_version > "2.5"
 
     - mitogen_test_gethostbyname:
         name: www.google.com
       register: out
       ignore_errors: true
-      when: ansible_virtualization_type == "docker"
+      when: |
+        ansible_virtualization_type == "docker" and
+        ansible_python_version > "2.5"
 
     - shell: cat /tmp/resolv.conf > /etc/resolv.conf
-      when: ansible_virtualization_type == "docker"
+      when: |
+        ansible_virtualization_type == "docker" and
+        ansible_python_version > "2.5"
 
     - assert:
         that:
         - out.failed
         - '"Name or service not known" in out.msg or
            "Temporary failure in name resolution" in out.msg'
-      when: ansible_virtualization_type == "docker"
+      when: |
+        ansible_virtualization_type == "docker" and
+        ansible_python_version > "2.5"