Run functional tests against 127.0.0.2

Both connection local and 127.0.0.1 have special meaning for ansible,
where will use the local filesystem vs SSH to the loopback adapter.

So, we use 127.0.0.2 to force ansible to make an SSH connection.

Change-Id: I642b1d409cbb683960b83e3582ac9fb53ffc6f81
Signed-off-by: Paul Belanger <pabelanger@redhat.com>

tests/inventory

@@ -1,2 +1,2 @@
-[all]
-localhost
+[test]
+test01 ansible_host=127.0.0.2

tests/test.yaml

@@ -12,7 +12,7 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 ---
-- hosts: localhost
+- hosts: test
   become: yes
   vars:
     rolename: "{{ lookup('pipe', 'pwd') | dirname | basename }}"