This fix adds several improvement:
1. No need for explicit ContainerRemove as it has been handled in setupTest()
2. Added `container.WithImage` helper function and used it in commit tests.
Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
(cherry picked from commit 6ab465804b0b8cec6c5ac278a21151d49e34885d)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
618f290b37