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> Upstream-commit: 6ab465804b0b8cec6c5ac278a21151d49e34885d Component: engine