'Test keys in TestResultSet object.'

def test_keys(self):

    self.assertEqual(self.rs.keys(), [(u'cpu_load_short', {u'host': u'server01', u'region': u'us-west'}), (u'cpu_load_short', {u'host': u'server02', u'region': u'us-west'}), (u'other_serie', {u'host': u'server01', u'region': u'us-west'})])
