Code review comment for lp:~nicopace/charms/trusty/nagios/all-tests

Test failed..
(.venv)sanjar@sanjar-acer:~/development/charms/trusty/nagios$ bundletester -v
nagios
    charm-proof PASS
[sudo] password for sanjar:
    00-setup PASS
    10-initial-test PASS
    100-deploy PASS
    15-nrpe-test ERROR

------------------------------------------------------------------------------
ERROR: nagios::15-nrpe-test
[/home/sanjar/development/charms/trusty/nagios/tests/15-nrpe-test exit 1]
2015-02-27 14:46:10 Starting deployment of local
2015-02-27 14:46:12 Deploying services...
2015-02-27 14:46:18 Adding relations...
2015-02-27 14:46:19 Adding relation nrpe:general-info <-> mediawiki:juju-info
Traceback (most recent call last):
  File "/usr/bin/juju-deployer", line 9, in <module>
    load_entry_point('juju-deployer==0.4.3', 'console_scripts', 'juju-deployer')()
  File "/usr/lib/python2.7/dist-packages/deployer/cli.py", line 130, in main
    run()
  File "/usr/lib/python2.7/dist-packages/deployer/cli.py", line 228, in run
    importer.Importer(env, deployment, options).run()
  File "/usr/lib/python2.7/dist-packages/deployer/action/importer.py", line 215, in run
    rels_created = self.add_relations()
  File "/usr/lib/python2.7/dist-packages/deployer/action/importer.py", line 131, in add_relations
    self.env.add_relation(end_a, end_b)
  File "/usr/lib/python2.7/dist-packages/deployer/env/go.py", line 34, in add_relation
    return self.client.add_relation(endpoint_a, endpoint_b)
  File "/usr/lib/python2.7/dist-packages/jujuclient.py", line 666, in add_relation
    'Endpoints': [endpoint_a, endpoint_b]
  File "/usr/lib/python2.7/dist-packages/jujuclient.py", line 148, in _rpc
    raise EnvError(result)
jujuclient.EnvError: <Env Error - Details:
 { u'Error': u'cannot add relation "nrpe:general-info mediawiki:juju-info": principal and subordinate services\' series must match',
    u'RequestId': 1,
    u'Response': { }}
 >
Traceback (most recent call last):
  File "/home/sanjar/development/charms/trusty/nagios/tests/15-nrpe-test", line 25, in <module>
    d.setup(timeout=seconds)
  File "/usr/lib/python3/dist-packages/amulet/deployer.py", line 315, in setup
    ], cwd=self.deployer_dir)
  File "/usr/lib/python3.4/subprocess.py", line 557, in check_call
    raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command '['juju-deployer', '-W', '-L', '-c', '/tmp/amulet-juju-deployer-0_jxjpv4.json', '-e', 'local', '-t', '20100', 'local']' returned non-zero exit status 1