Component functional tests does not clear image table.
Way to reproduce:
1) Do functionaltest setup outlined here: https://wiki.openstack.org/wiki/Solum/Testing
2) Run tests:
nosetests --tests functionaltests.api.v1.test_component
3) After tests finish, login to mysql database and query plan and images tables.
% mysql
% use solum;
mysql> select * from image;
+-----+--------------------------------------+---------------------+---------------------+---------+--------------------------+-------------------------------+----------------------------------+----------------------------------+------+----------+---------------+------------------+--------------+---------------+---------------+--------------+-------------------+
| id | uuid | created_at | updated_at | name | description | source_uri | project_id | user_id | tags | status | base_image_id | created_image_id | image_format | source_format | artifact_type | external_ref | docker_image_name |
+-----+--------------------------------------+---------------------+---------------------+---------+--------------------------+-------------------------------+----------------------------------+----------------------------------+------+----------+---------------+------------------+--------------+---------------+---------------+--------------+-------------------+
| 213 | cf27dc0d-8769-4d99-9bb1-3b9bb1aab00a | 2016-01-14 16:31:39 | 2016-01-14 16:31:40 | No deus | Starting the image build | https://example.com/git/a.git | 5be7e6fa92dd4bdfa863afbd289e7967 | d45fc73f313a44338372e401a97229fa | NULL | BUILDING | auto | NULL | docker | heroku | NULL | NULL | NULL |
| 214 | 450abeaa-6f08-4f53-b86a-1f023bb6ec23 | 2016-01-14 16:31:41 | 2016-01-14 16:31:42 | No deus | Starting the image build | https://example.com/git/a.git | 5be7e6fa92dd4bdfa863afbd289e7967 | d45fc73f313a44338372e401a97229fa | NULL | BUILDING | auto | NULL | docker | heroku | NULL | NULL | NULL |
| 215 | e4fb440b-85d7-4209-ba0e-4e51345c6b27 | 2016-01-14 16:31:43 | 2016-01-14 16:31:44 | No deus | Starting the image build | https://example.com/git/a.git | 5be7e6fa92dd4bdfa863afbd289e7967 | d45fc73f313a44338372e401a97229fa | NULL | BUILDING | auto | NULL | docker | heroku | NULL | NULL | NULL |
| 216 | c2f948ee-a4e9-4c3a-a594-b18253a226fa | 2016-01-14 16:31:45 | 2016-01-14 16:31:45 | No deus | Starting the image build | https://example.com/git/a.git | 5be7e6fa92dd4bdfa863afbd289e7967 | d45fc73f313a44338372e401a97229fa | NULL | BUILDING | auto | NULL | docker | heroku | NULL | NULL | NULL |
| 217 | 3e79e992-51f4-4915-b512-03bce52c5629 | 2016-01-14 16:31:47 | 2016-01-14 16:31:47 | No deus | Starting the image build | https://example.com/git/a.git | 5be7e6fa92dd4bdfa863afbd289e7967 | d45fc73f313a44338372e401a97229fa | NULL | BUILDING | auto | NULL | docker | heroku | NULL | NULL | NULL |
+-----+--------------------------------------+---------------------+---------------------+---------+--------------------------+-------------------------------+----------------------------------+----------------------------------+------+----------+---------------+------------------+--------------+---------------+---------------+--------------+-------------------+
5 rows in set (0.00 sec)
