Ensure we get a sorted list for validation groups

Change-Id: I3f905af3424fd25cd7dc71743ef8179cf4723bcd

validations_libs/group.py

@@ -42,4 +42,4 @@ class Group(object):
 
     @property
     def get_groups_keys_list(self):
-        return [gp for gp in self.data.keys()]
+        return [gp for gp in sorted(self.data.keys())]

validations_libs/tests/test_group.py

@@ -47,7 +47,7 @@ class TestGroup(TestCase):
     @mock.patch('six.moves.builtins.open')
     def test_get_groups_keys_list(self, mock_open, mock_yaml):
         grp = Group('/tmp/foo')
-        ret = ['no-op', 'pre', 'post']
+        ret = ['no-op', 'post', 'pre']
         data = grp.get_groups_keys_list
         self.assertEquals(data, ret)
 

validations_libs/tests/test_utils.py

@@ -118,7 +118,7 @@ class TestUtils(TestCase):
     def test_get_validation_group_name_list(self, mock_open, mock_load):
 
         result = utils.get_validation_group_name_list('/foo/groups.yaml')
-        self.assertEqual(result, ['no-op', 'pre', 'post'])
+        self.assertEqual(result, ['no-op', 'post', 'pre'])
 
     @mock.patch('validations_libs.utils.parse_all_validations_on_disk',
                 return_value=[fakes.FAKE_METADATA])